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标题: VOA慢速英语2014.01.04 [打印本页]

作者: Rebecca949    时间: 2014-1-6 09:31     标题: VOA慢速英语2014.01.04

[audio]http://sound.yywz123.com/tingbbs/voa/voa20140104.mp3[/audio]



It explains how infection of the cord can make a baby sick, then it tells how to keep the cord clean and infection free.它解释了脐带感染如何使得婴儿生病,随后说明如何保持脐带清洁和防感染.
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