但是这些圆柱体在分子水平上是紧密结合的。

But these cylinders cling together at a molecular level.

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药物遗传学是在分子水平上研究这些差异的科学。

Pharmacogenomics is the science of studying these variations at the molecular level.

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进化是不可逆转的——至少在分子水平上是如此。

Evolution is irreversible - at least at a molecular level.

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But variola, which causes smallpox in humans, and vaccinia, which causes a disease called cowpox in cattle, turned out to be, we now know, viruses that are molecularly very similar.

但是导致天花的人痘病毒,和导致牛痘,的牛痘病毒,后来发现其实是,我们现在知道,这两种病毒在分子水平上十分相似

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