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标题: VOA慢速英语2012.04.07 [打印本页]

作者: Rebecca949    时间: 2012-4-12 11:28     标题: VOA慢速英语2012.04.07

[audio]http://sound.yywz123.com/tingbbs/voa/voa20120407.mp3[/audio]



Researchers in the United States have developed the first wirelessly controlled device that can supply a drug directly into the body. A small chip is implanted under the skin. It contains the medicine, which it releases at preset times.美国研究人员已经研制出首台可以向体内直接供药的无线控制装置。将一块很小的晶片植入皮肤,晶片里含有药物,会在预设的时间释放出来。________________________________________.




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作者: gqinchunh123    时间: 2012-4-23 12:58

很喜欢这样的听力资料
作者: leyla    时间: 2012-6-14 13:24

the developer say the device could improve the lives of millions of people who take medicine for long term..




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