And, this is what you hear a lot about in the news, Kyoto, and all this kind of thing about destruction of the ozone layer.

这是你所听到了很多新闻里相关的东西，京都议定书,以及所有这类破坏臭氧层的事情。

麻省理工公开课 - 固态化学导论课程节选

So the kinds of things that can be destroyed or the things would part and those sorts of things that change even it do not destroy.

但是能毁灭的东西,是能四分五裂的东西,即使不能破坏,但可以改变。

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