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[VOA慢速] VOA慢速精精听2019-10-22

提高英语听力能力 找对方法很重要!
本帖最后由 ElitaZhong 于 2019-10-25 14:45 编辑

From 1980 until 2014, the total number rose 79%, but from 2014 to 2018, the twin birth rate fell 4%. Last year there were 32.6 twins for every 1000 total births. While the latest drop was not huge, the officials said they considered it as a good sign. Pregnancy with more than one child raises the risks of complications and death for both the mother and baby.
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