[VOA慢速] VOA慢速精精听2019-02-06

ellyxia

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     _____________________________________.In the United States, researchers are experimenting with sodium to see whether it can power much-improved batteries in the future. Sodium is a soft, silvery metal. It is plentiful and found in seawater. The most common battery used today is made of lithium ion. These batteries power everything from smartphones to computers to electric vehicles._____________________________________。在美国，研究人员正在用钠做实验，看看它是否能在未来为改进了很多的电池供电。钠是一种柔软的银色金属。它存于海水中而且含量丰富。现在最常用的电池是锂离子电池。锂电池几乎可以给所有东西供电，从智能手机到电脑再到电动汽车都可以。

  

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麦兜2004

1# ellyxia ok

qing125

Scientists have long attended to find materials to make battery that are more powerful but cost less to build.
In the united states, researchers are experimenting with sodium to see whether it can power much improve battery in the future.
sodium is the soft silvery metal, it is plentiful and found in sea water. The most common battery using today is made of Lithium iron, the battery power everything from smart phones, to computers, to electric vehicles,

isabella_yip

Scientists have long attempted ro fing a material to make batteries better and more powerful but cost less to build.

xiaoyaohou323

Scientists have long attended to find materials

f19061418

homework


scientists  have long etempet to find metrials to make battery.. powerful  but cost less to build

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zhao20200206

HW:
Scientist has long attemp to find materials to make batteries that powerful but cost less to build

f19061301

homework：

Scientists have long attempted ro fing a material to make batteries better

f19061301

HW：

Scientist  has long attempt  ro fing a material to make batter  better and more powerful but cost less to build

f19061401

homework
Scidentist have a long attempt to find material to make batteries more powerful but cost less to build.

wujingjing623

Scientists have long attemptted to find materials to make batteries that more powerful but cost less too bared.
This post was generated by put listening repetition system,  Check [url=http://home.putclub.com/listen.php?url=http://download.putclub.com/newupdate/jwj/jjt/2019.1.23VOAspecial1.mp3&subject=VOA鎱㈤

1832255012

Scientists have long attempted to find materials to make batteries that are more powerful but cost less to build. In teh United States, researchers are experimented with sodium to see whether it can power much improved batteries in the future. Sodium is a soft silvery metal. It is plentiful and found in sea water. The most common battery used today is made of * *. These batteries power everything from smart phones to computers, to electric vehicles.

jianping2015

Scientists have long attempted to find materials to make batteries that are more powerful ,but cost less to build.

yangguyi111

1# ellyxia Scientists have long attempted to find materials to make batteries that are more powerful but cost less to bulid. In the United States, researchers are experimenting with soldium to see whether it can power much improved batteries in the future. Soldium is a soft and silvery medal. It is plentiful

yangguyi111

Scientists have long attempted to find matterials to make batteries that are more powerful but cost less to build. In the United States, reserchers are experimenting with sodium to see whether it can power much-improved batteries in the future. Sodium is a soft, silvery medal. It is plentiful and found in seawater. The most common battery used today is made of lithum  ion. These battries power everything from smart phones, to computers to eletrical vehicles.
This post was generated by put listening repetition system,  Check [url=http://home.putclub.com/listen.php?url=http://download.putclub.com/newupdate/jwj/jjt/2019.1.23VOAspecial1.mp3&subject=VOA鎱㈤