单词：regenerative deflector
再生偏转器
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发表于:2018-12-01 / 阅读(210) / 评论(0)
用Mp3背六级单词
用Mp3背六级单词
One of the goals of regenerative medicine is to make tissue to replace our own damaged body parts. Thats still a ways off. But starting with mouse embryonic stem cells, researchers have succeeded in creating heart muscle that actually beats. The stud
发表于:2019-01-08 / 阅读(212) / 评论(0)
Scientific American(十)月
Scientific American(十)月