We have literally altered the chemistry of our planet's atmosphere.

我们实际上改变了地球大气层的化学成分。

《柯林斯英汉双解大词典》

These different instruments also probe different layers of the atmosphere so that ultimately a picture of the chemistry going on between them can be gleaned.

不同的仪器可以探测到大气层中不同层次的成分，因此最终的化学成分图要待到他们收集了所有的信息才能出来。

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What the net effect of the altered chemistry of the atmosphere would be is unknown, Penuelas said.

Penuelas说，这种大气层导致的化学信息更改所带来的结果还是未知。

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