这些细菌停留在大多数表面上的可能性非常低。

The chance of these bacteria being on most surfaces is very low.

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但是，这些细菌出现在大多数表面上的几率非常低。

But the chance of these bacteria being on most surfaces is very low.

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表面上的细菌总数更为重要，且在初次注入细菌后，细菌总数会随着时间推移而逐渐减少。

The overall number of bacteria on the surface mattered more, and this decreased over time after the initial introduction.

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And, when zinc sulfide is hit by particles or by anything, by radiation or by particles of greater than a certain critical energy, there is a glow.

当粒子或其他东西,通过辐射或粒子的方式，并且能量高于临界值,撞击到硫化锌的表面上的时候，就会发光。

麻省理工公开课 - 固态化学导论课程节选

There are proteins, for example, on the surface of some cells that bind insulin and respond to the presence of insulin.

比如说蛋白,有些细胞表面上的蛋白,捕获胰岛素并且对胰岛素进行应答

耶鲁公开课 - 生物医学工程探索课程节选

The mountain here is literally above the hill in Central Park in the book.

在书里，这座高山表面上是,中央公园里的一座小山。

普林斯顿公开课 - 人性课程节选