Most people don't realize that they are breathing polluted air.

大多数人没有意识到自己正呼吸着污染了的空气。

《牛津词典》

He and his team found that breathing polluted air can reduce a person's education level by about one year.

他和他的团队发现，呼吸被污染的空气会使一个人的教育水平降低一年左右。

youdao

Most people don 't realize that they are breathing polluted air.

大多数人没有意识到自己正在呼吸污染的空气。

youdao

The long term effects of breathing polluted air are even more alarming.

VOA: standard.2010.08.04

More children are drinking polluted water and breathing polluted air.

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