树木还可吸收声音，因此能控制声音污染。
在教室的时候大家都是考虑的一个重要考试，手机的环几乎造成某种声音污染。
In a classroom when everybody is taking an important exam, the ring of a mobile phone causes almost some kind of sound pollution.
汽车确实对我们大有用处，但也带来了一些危害，比如声音污染、空气污染以及公路死亡事故。
They are indeed of great use to us, but they brought some hazards as well, such as noise and air pollution, and highway fatalities.
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