Evolution is irreversible - at least at a molecular level.
进化是不可逆转的——至少在分子水平上是如此。
We now aim to study how this works on a molecular level.
我们目前准备研究这在分子水平是怎样起作用的。
Since 1993, genetic toxicology has stepped onto a molecular level.
自1993年至今,遗传毒理学进入了分子时代。
Basically, at a molecular level, its just milk.
基本上,在分子水平,这只是牛奶。
Basically, at a molecular level, its just milk.
基本上,在分子水平,这只是牛奶。
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