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[万花筒] 【整理】2013-02-14&02-17 如何洗手最干净?洗手液-肥皂杀菌效果大对决

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[万花筒] 【整理】2013-02-14&02-17 如何洗手最干净?洗手液-肥皂杀菌效果大对决

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Hand Sanitizers and Soaps Put to the Test


ABC's Dr. Richard Besser compares the best ways for killing germs

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汪安琪在 整理的原文:
In this season of flu and so many other germs, we’re told again and again that hand sanitizers and soap are the best defense. Last year, American spent more than 170 million dollars on hand sanitizers alone. So we wandered what works best and how do the sanitizers compare in the showdown with soap? Well tonight our key medical editor doctor Richard Besser puts them to the test and gets some real answers.

Clean? As many as 400,000 germs per hand, that’s how many bacteria travel with us every day. So here at the

University of Maryland food safety lab, 6 brave grad students and I voluntarily

dust our hands in a toxic brew, thousands of E. coil bacteria. Yeah, E. Coil.

“Good? Something a little odd about rubbing e-coil.”

To see what would take it off.

First up, hand sanitizers. We tested two kinds you’ll find at the store: one with 60% alcohol, and one so-called natural formula containing no alcohol. The key with hand sanitizers is to use enough of it. Your hands should take a full 15 seconds or longer to dry.

“Now let that air dry, ok?”

Then we pressed our hands onto special incubation plates to grow any remaining bacteria. The result? Dramatic. Here, those green spots are the e-coil that grew from unwashed hands. After, using hand sanitizer with 60% alcohol. But the formula without alcohol? Just look how many germs are left behind.

Alcohol-based sanitizers work so much better because alcohol breaks up the bacteria’s proteins and kills them. But if you really want to get clean, what’s your best of all? Guess what? It’s your old friend soap. Soap not only does as well on bacteria as the sanitizer, it gets more viruses too. Surprisingly, studies show regular and antibacterial soap are about equally effective. But how you use it is crucial.

“Go!”

Most of us only spend five seconds at the sink.

“Stop!”

Just look how many germs remain. Yuk!

“Go!”

You have to wash your hands for a full twenty seconds to really get the bugs off. And yeah, that’s singing Happy Birthday twice.

So let’s review it again. Hand sanitizers if you can get to a sink. Look for one with at least 60% alcohol, but washing with soap, any kind, is better, as long as you wash for long enough.

Dr. Richard Besser, ABC News, College Park, Maryland.

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[Homework]2013-02-14&02-17 如何洗手最干净?洗手液-肥皂杀菌效果大对决

In the season of flu and so many other gems,we are told again and again that hand sanitizers and soap are the best defence.Last year,America spent more than 170 million dollars on hand sanitizers alone.So we wondered what's its best?And how does sanitizer compare in the showdown with soap.Well tonight our chief medical editor Dr. Richard Besser puts them to the test and gets some real answers.
Clean,as many as 400,000 germs per hand,that's how many bacteria travel with us everyday.So you are in university of Maryland and * lab,six brave grad students tonight voluntarily dust hands in the toxic brew ,a thousand of Ecoli bacteria.Yep,Ecoli.Good,something is a little odd about rubbing Ecoli.To see what will take it off.
First up,hand sanitizers,we tested two kinds you will find in the store.One with 60% alcohol and one so-called natural formula containing no alcohol.The key with hand hanitizers is to use enough of it.Your hands should take a full 15-second or longer to dry.Now let that air dry,ok.Then,we pressed our hands onto special incubation plates to grow any remaining bacteria.The results,dramatic,here those green spots are the Ecoli that grew from unwashed hands.After,using hand sanitizer with 60% alcohol,but the formula without alcohol,just look how many germs are left behind.Alcohol-based hand sanitizer works so much better because alcohol breaks up the bacteria's proteins and kills them.
But if you really want to get clean,what's your best bet of all?Guess what,it's your old friend,soap.Soap not only does well on bacteria as the sanitizer,it gets more viruses too.Surprisingly,studies show regular and anti-bacterial soap are about equally effective.But how you use it is crucial.Most of us only spend five seconds at the sink.Just look how many germs remain.You have to wash your hands for a full 20 seconds to really get the bugs off.And yes,that's singing happy birthday twice.So let's review it again.Hand sanitizers are becoming to give a think.Look for one with at least 60% alcohol but washing with soap,any kind is better as long as you wash for long enough.
Dr. Richard Besser,ABC new,college of Maryland.

This post was generated by put listening repetition system,  Check the original dictation thread!
1

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  • 汪安琪

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HOMEWORK

In the season of flu and so many other germs, we were told again and again that hand sanitizers and soap are the best defense. Last year, Americans spent $170 million on hand sanitizers alone. So we wondered what works best and how do the sanitizers compare in a showdown with soap? Well, tonight our chief medical editor Dr. Richard Besser puts them to the test and gets some real answers.

Clean? As many as 400,000 germs per hand, that’s how many bacteria travel with us every day. So here at the University of Maryland Food Safety Lab, six brave grad students and I voluntarily dust our hands in a toxic brew, the thousands of e-coil bacteria. Yeah, e-coil.

“Good? Something a little odd about rubbing e-coil.”

To see what would take it off.

First up, hands sanitizers. We tested two kinds you’ll find at the store: one with 60% alcohol, and on so-called natural formula containing no alcohol. The key with hand sanitizers is to use enough of it. Your hands should take a full 15 seconds or longer to dry.

“Now let that air dry, ok?”

Then we pressed our hands onto special incubation plates to grow any remaining bacteria. The result? Dramatic. Here, those green spots are the e-coil that grew from unwashed hands. After, using hand sanitizer with 60% alcohol. But the formula without alcohol? Just look how many germs left behind.

Alcohol based sanitizers work so much better because alcohol breaks up the bacteria’s proteins and kills them. But if you really want to get clean, what’s your best of all? Guess what? It’s your old friend –- soap.

Soap not only does as well on bacteria as the sanitizer, it gets more viruses too. Surprisingly, studies show regular and antibacterial soap are about equally effective. But how you use it is crucial.

“Go!”

Most of us only spend five seconds at the sink.

“Stop!”

Just look how many germs remain. Yuk!

“Go!”

You have to wash your hands for a full twenty seconds to really get the bugs off. And yeah, that’s singing “Happy Birthday” twice.

So let’s rebuild again. Hand sanitizers if you can’t get to a sink. Look for one with at least 60% alcohol, but washing with soap -- any kind -- is better, as long as you wash for long enough.

Dr. Richard Besser, ABC News, College Park, Maryland.
1

评分次数

  • 汪安琪

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[Homework]2013-02-14&02-17 如何洗手最干净?洗手液-肥皂杀菌效果大对决

in the season of flu and so many other gems we will told again and again hand sanitizers and soap are the best defence.last year american spent more than 170 million dollars oon hand sanitizers alone.so we wondered what was the best and how do the sanitizers compared with the show down with soap,well tonight our chief medical editor doctor //puts them to the tests and get some real answers.
clean? as many as 400 million gems perhand,that is how many bacteria travel with it every day.so you are the  university of maryland from cecu lab  six brave grad students are voluntarily  dust their hands in a toxic brew,thousands of ecoli bacteria,ye ecoli,ye we are a little odd about rubbing ecoli.to see what we take it off.
first up hand sanitizers we tested two kinds you will find in the store.one was 16% alcohol and one so called natural formula containing no alcohol.the key with hand sanitizers is to use enough of it your hands should take a full 15 seconds longer to dry.now let there air dry then we press our hands onto special incubation place ,growing in a remaining bacteria the result dramatic,those green spots are equal ibek crew from unwashed hand.after using hand sanitizers with 16 % alcohol formula with all the alcohol just look how many gems are left behind.alcohol based hand sanitizers work so much better because alcohol break the bacteria's protein and kills them.but iof you willing want to get clean what you best of all.guess what? it is your old friend soap so not only does it is well on bectria as the sanitizier it is gets more virius too.surprisingly study show regular and antibactieria soap are about equally effective.but how you use it is crucial.most of us only spend 5 second in the sink,just look how many gems remain.yek,go .you have to wash your hands for a full 20 seconds to really get the bugs off.and yes that singing happy birthday twice.so lets review it again.hands sanitizers are begain to get your sink look for one with at least 16 % alcohol watching with soap any kind is better,as long as you wash long enough.






This post was generated by put listening repetition system,  Check the original dictation thread!
1

评分次数

  • 汪安琪

HW:
In this season of flu and so many other germs were told again and again that hand sanitizers and soap by the best defense. Last year, American spend more than 170 million dollars on hands sanitizers alone. So we wandered what works best? And how do the sanitizers compared a show dump with soap? Well tonight our key medical editor doctor Richard Beser puts them to the test to gets some real answers.

Clean? As many as 400,000 germs per hand, that’s how many bacteria travel with us every day. So youth university Miriland from seeking lab, 6 brave grad students and I volunteerly donster hand in a toxic bru, thousands of equal life bacteria. Yeah, equal life.



Something that little odd about raving equal, too see what to take off, first up hand sanitizers. We kissed to two kinds of and find this all. One with 60% of alcohol, and one so-called natural formula containing no alcohol, the key with hand sanitizers is to use a naffibin. You hand should take up a bowl 15.2 too longer to dry. Now let that air dry ok? Then we press our hands to special incubation plates to grow any remaining bacteria. The results dramatic. Here those green sparks to the equal eye, the crew for unwashed hands, after using hands hand sanitizer with 60% alcohol, but the formula without alcohol, just look how many germ behind.

Alcohol based sanitizer works so much better, because alcohol breaks the bacteria’s proteins and kills them. But if you really want to get clean, what’s you best of all? Guess what? It’s your old friend, soap, soap not only gets it well on bacteria and sanitizer, it gets more viruses too. Surprisingly, study show regular and inter-bacteria soap, now equally affected. But how you use it it is crucial.

Most of us only think 5 seconds to sink, stop, just look out how many germs remain? Yark, go. You have to wash your hand for 420 seconds to really get the bugs off. And yes, they are singing happy birthday twice, so let for build again.


Hand sanitizers are can get to you sank. Look for one at least 60% alcohol, but wash with soap, any kind is better as long as you washed for long enough.

1

评分次数

  • 汪安琪

Homework~
In this season of flu and some many other germs,we were told again and again that hand sanitizers and soap are the best defense.Last year,Americans spend more than 117 million dollars on sanitizers alone.So we wondered what works best and how did sanitizers compared a show done with soap?Tonight our cheif medical editor doctor Riched Besser puts them to the test and gets some real answers.

Cleaning.As many as 400,000 germs per hand,that's how many bacteria travel with us everyday.So youth university Mariland from secure lab,6 brave graduate student and I volunteerly dust our hands in a toxic brew with thousands of ecal bacteria.Yean,ecal-i.

Something that little odd about raving ecal-i.

To see what will take it off.First step,hands sanitizers,we test two kinds you will find this store. One with 60% alcohol,and one so-called natrual form that containing no alcohol.The key with hands sanitizers is to use enough of it and should take up for 15 seconds or longer to dry.

Now let that air dry OK

Then we pressed our hands onto special incubation plates to grow your bacteria.The results,dramatic.Those green spots are the ecal-i crew from unwanshed hands.After using hand sanitizer with 60% alcohol,but the formula wthout alcohol,just look how many germs are left behind.Alcohol based hands sanitizers worked so mach better because alcohol breaks some of bacteria proteins and kills them.But if you really want to get clean,what's your best of all?That's right,it's your old friend,soap.Soap  not only does as well on bacteria as hands sanitizers,it gets more virues too.Suprisely,study show regular and anti-bacteria soap are about equally affective.But how you use it is crucial.Most of us only spend 5 seconds of the sink.

Stop

Just look how many germs remain.You have to wash your hands for 20 seconds to really get the bulks off.That's singing Happy Birthday twice.So let's review it again.Hands sanitizers are begin central sank,look for one with at least 60% alcohol,but wash with soap,any kind is better as long as you wash for long enough.Doctor Riched Besser,ABC news.College Arc Mariland.
1

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  • 汪安琪

修炼自我,提升自我。
实现无障碍英语沟通
Something that little odd about raving equal, too see what to take off, first up hand sanitizers. We kissed to two kinds of and find this all. One with 60% of alcohol, and one so-called natural formula containing no alcohol, the key with hand sanitizers is to use a naffibin. You hand should take up a bowl 15.2 too longer to dry. Now let that air dry ok? Then we press our hands to special incubation plates to grow any remaining bacteria. The results dramatic. Here those green sparks to the equal eye, the crew for unwashed hands, after using hands hand sanitizer with 60% alcohol, but the formula without alcohol, just look how many germ behind.

Alcohol based sanitizer works so much better, because alcohol breaks the bacteria’s proteins and kills them. But if you really want to get clean, what’s you best of all? Guess what? It’s your old friend, soap, soap not only gets it well on bacteria and sanitizer, it gets more viruses too. Surprisingly, study show regular and inter-bacteria soap, now equally affected. But how you use it it is crucial.
Just look how many germs remain.You have to wash your hands for 20 seconds to really get the bulks off.That's singing Happy Birthday twice.So let's review it again.Hands sanitizers are begin central sank,look for one with at least 60% alcohol,but wash with soap,any kind is better as long as you wash for long enough.Doctor Riched Besser,ABC news.College Arc Mariland
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Something that little odd about raving equal, too see what to take off, first up hand sanitizers. We kissed to two kinds of and find this all. One with 60% of alcohol, and one so-called natural formula containing no alcohol, the key with hand sanitizers is to use a naffibin. You hand should take up a bowl 15.2 too longer to dry. Now let that air dry ok? Then we press our hands to special incubation plates to grow any remaining bacteria. The results dramatic. Here those green sparks to the equal eye, the crew for unwashed hands, after using hands hand sanitizer with 60% alcohol, but the formula without alcohol, just look how many germ behind.

Alcohol based sanitizer works so much better, because alcohol breaks the bacteria’s proteins and kills them. But if you really want to get clean, what’s you best of all? Guess what? It’s your old friend, soap, soap not only gets it well on bacteria and sanitizer, it gets more viruses too. Surprisingly, study show regular and inter-bacteria soap, now equally affected. But how you use it it is crucial.
Just look how many germs remain.You have to wash your hands for 20 seconds to really get the bulks off.That's singing Happy Birthday twice.So let's review it again.Hands sanitizers are begin central sank,look for one with at least 60% alcohol,but wash with soap,any kind is better as long as you wash for long enough.Doctor Riched Besser,ABC news.College Arc Mariland
秋月麦青
好栏目推荐之美国口语俚语
In the season of flu and so many other germs, we were told again and again that hand sanitizers and soap are the best defense. Last year, Americans spent $170 million on hand sanitizers alone. So we wondered what works best and how do the sanitizers compare in a showdown with soap? Well, tonight our chief medical editor Dr. Richard Besser puts them to the test and gets some real answers.
In the season of flu and so many other germs, we were told again and again that hand sanitizers and soap are the best defense. Last year, Americans spent $170 million on hand sanitizers alone. So we wondered what works best and how do the sanitizers compare in a showdown with soap? Well, tonight our chief medical editor Dr. Richard Besser puts them to the test and gets some real answers.

[Homework]2013-02-14&02-17 如何洗手最干净?洗手液-肥皂杀菌效果大对决

本帖最后由 mintzoe 于 2013-2-19 16:44 编辑

In this season of flu and so many other germs, we were told again and again that hand sanitizers and soap are the best defense. Last year, Americans spent more than 170 million dollars on hand sanitizers alone. So we wondered what works best, and how does the sanitizers compare in a showdown with soap? Well tonight, our chief medical editor Dr. Richard Besser puts them to a test and gets some real answers.

Clean? As many as 400,000 germs per hand--that's how many bacteria travel with us everyday. So here are the University Maryland Food Safety Lab, six brave grads students and I voluntarily dust our hands in a toxic brew of thousands of Ecoli bacteria. Yeah. Ecoli.


Good. Something now a little odd about rubbing Ecoli.
To see what would take it off. First step, hands sanitizers. We tested two kinds you'll find at the store: one with 60% of alcohol, and one so-called natural formula, containing no alcohol. The key with hand sanitizers is to use enough of it. Your hands should take a full 15 seconds or longer to dry.
Now let the air dry, OK?
Then we press our hands onto special incubation plates to grow any remaining bacteria. The results? Dramatic. Here, those green spots are the Ecoli. They grew from the unwashed hands. After, using hand sanitizer with 60% alcohol, but the formula without alcohol? Just look how many germs left behind. Alcohol-based hand sanitizer works so much better, because alcohol breaks up the bacteria's proteins and kills them. But if you really want to get clean, what's your best of all? Guess what? It's your old friend--soap. Soap not only does well on bacteria as a sanitizer, it get more viruses too. Surprisingly, study show regular anti-bacteria soap are about equally effective. But how you use it is crucial. Ready? Go!


Most of us only spend five seconds at the sink. Stop. Just look how many germs remain. Yek!


Go! You have to wash your hands for full 20 seconds to really get the bugs off. And yes, that's sing happy birthday twice. So let's review it again. Hands in sanitizers if you can't get to a sink. Look for one with at least 60% alcohol, but wash with soap, all kind is better, as long as you wash for long enough.
Dr. Richard Besser, ABC News, College Park, Maryland.

This post was generated by put listening repetition system,  Check the original dictation thread!
每天半小时 轻松提高英语口语
In this season of flu and so many other germs, we told again and again that hand sanitizers and soaps are the best defense. Last year in America spent more than 170 million dollars on hand sanitizers alone. So we wondered what works best and how do the sanitizers compare in the showdown with soap. Well tonight our chief medical editor Dr. Richard Besser puts them up to the test and gets some real answers.
Clean.
As many as 400000 germs per hand, that’s how many bacteria travel with us bevery day. So you are in the university of Maryland Food and Safety Lab, 6 brave grat students tonight, voluntarily dust their hands in a toxic brew with thousands of ecoli-bacteria, yep, ecoli.
Good, something that little odd about rubbing ecoli.
To see what they will take it off, first step, hand sanitizers. You tested two kinds you find in this store, one the 60% alcohol, and one so-called natural formula containing no alcohol. They key with hand sanitizers is to use enough of it, you hands should take a full 15 seconds or longer to dry.
Now let that air dry, okay?
Then we pressed our hands on this special incubation plates to grow in your remaining bacteria. The results, dramatic. Here those green spots are the ecoli grew from unwashed hands, after using hand sanitizers with 60% alcohol, but the formula without alcohol, just look how many germs left behind. Alcohol based sanitizer worked so much better because alcohol breaks the bacteria proteins and kills them. But if you really want to get a clean, what’s the best of them all?
Guess what? It’s your old friend, soap. Soap not only does well on bacteria as the sanitizers, it kills more viruses too. Surprisingly, studies show that regular and anti-bacteria soap are about equally effective. But how you use it is crucial, most of us only use it 5 seconds at the same.
Stop.
Just look how many germs remain. Yuck.
Go.
You have to wash your hands for a full 20 seconds to really get the bugs off, and yep that’s singing happy birthday twice. So let’s review it again, hand sanitizers if you can’t get to a sink, look for one with at least with 60% alcohol, but wash with soap, any kind is better as long as you wash for long enough.
Dr Richard Besser, ABC News, Maryland
Hw:

In this sean of flu and so many other germs, we told again and again the hand sanitizers and soap are the best defense. Last year, Americans spend more than 170 million dollars on the hand sanitizers alone. So, we wonder what works the best, and how the sanitizers compared in a showdown with soap. Well, tonight we chief medical editor Dr. Rachel Bass puts them to test and get some real anwers.

Clean? As many as 400,000 germs per hand. That's how many bacterial travel with us everyday. "Here's a Lab" So Yale university Melin from safty lab. 6 brave graduates students tonight volunteerly dust the hands in a toxical brew, thousand of Ecoli bacterial (yeah). Ecoli? (good)

Something is now little odd about rubbing Ecoli. Yeah. To see what we will take off. First up, hand sanitizers. We cast two kinds you find in this store. One with 60% of alcohol. And one socalled natural formula that containing no alcohol. OH, that's good. The key with hand sanitizers is to use enough of it. Your hands should take up for 15 seconds or longer to dry. Now let that airdry, ok? Then we press our hands onto a special incubation plates to grow and remain bacterial. The results dramatical. Here: those green spots of the Ecoli, they grow from unwashed hands. After, using hand sanitizers with 60% of alcohol, but the formula without alcohol just look at how many germs left behind. Alcohol-based hand sanitizer just work so much better because alcohol breaks up the bacterials proteins, they kills them. But if you will really want to get cleaned, what's your best of all. Guess what? It's your old friend : soap. Soap not only does it as well bacterial as sanitizers, it gets more viruses too. Surpprisingly, study show regular and the anti-bacterial soap about equally effective. But how you are using it is crucial. We go! Most of us only spend 5 seconds of the sink. Ding, Stop! just look at how many germs remain. Yack! Go! you have to wash your hands for 20 seconds to really get bugs off. And yes, that singing happy birthday twice. So, let's review again. hand sanitizers if you can get to a sink, look for one with at least 60% of alcohol, but wash with a soap any kind is better as long as you wash for long enough.

Dr.Richard Besser, ABC news, Collegue Park of Maryland.
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本帖最后由 jennysyy 于 2013-2-26 22:11 编辑

HOMEWORK

In the season of flu and so many other germs, we were told again and again that hand sanitizers and soap are the best defense. Last year, Americans spent $170 million on hand sanitizers alone. So we wondered what works best and how do the sanitizers compare in a showdown with soap? Well, tonight our chief medical editor Dr. Richard Besser puts them to the test and gets some real answers.

Clean? As many as 400,000 germs per hand, that’s how many bacteria travel with us every day. So here at the University of Maryland Food Safety Lab, six brave grad students and I voluntarily dust our hands in a toxic brew, the thousands of ecoli bacteria. Yeah, ecoli.

“Good? Something a little odd about rubbing ecoli.”

To see what would take it off.

First up, hands sanitizers. We tested two kinds you’ll find at the store: one with 60% alcohol, and on so-called natural formula containing no alcohol. The key with hand sanitizers is to use enough of it. Your hands should take a full 15 seconds or longer to dry.

“Now let that air dry, ok?”

Then we pressed our hands onto special incubation plates to grow any remaining bacteria. The result? Dramatic. Here, those green spots are the e-coil that grew from unwashed hands. After, using hand sanitizer with 60% alcohol. But the formula without alcohol? Just look how many germs left behind.

Alcohol based sanitizers work so much better because alcohol breaks up the bacteria’s proteins and kills them. But if you really want to get clean, what’s your best of all? Guess what? It’s your old friend –- soap.

Soap not only does as well on bacteria as the sanitizer, it gets more viruses too. Surprisingly, studies show regular and antibacterial soap are about equally effective. But how you use it is crucial.

“Go!”

Most of us only spend five seconds at the sink.

“Stop!”

Just look how many germs remain. Yuk!

“Go!”

You have to wash your hands for a full twenty seconds to really get the bugs off. And yeah, that’s singing “Happy Birthday” twice.

So let’s rebuild again. Hand sanitizers if you can’t get to a sink. Look for one with at least 60% alcohol, but washing with soap -- any kind -- is better, as long as you wash for long enough.

Dr. Richard Besser, ABC News, College Park, Maryland.
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