污染空气对健康有害。

Polluted air is harmful to health.

工厂排放的废气导致污染空气。

The factory emissions cause polluted air.

我们需要减少污染空气的源头。

We need to reduce the sources of polluted air.

城市中的污染空气让人呼吸困难。

The polluted air in the city makes it hard to breathe.

政府正在采取措施改善污染空气的状况。

The government is taking steps to improve the polluted air situation.

上述每类被污染空气基本都含有粒状污染物。

Each of the preceding classifications of polluted air masses involves primarily particulate pollutants.

这是有道理，但痰也可能由于吸进污染空气中的有害毒素或微粒引起的。

That makes sense, but phlegm can be also caused by breathing in harmful toxins or particles from polluted air.

用途：货淋室是对进入洁净区的物品进行净化，防止室外污染空气进入洁净区的装置。

Uses: Goods shower room is a device that purifies the goods entering a clean area to prevent external polluted air from getting in.

用途：货淋室是对进入洁净区的物品进行净化，防止室外污染空气进入洁净区的装置。

Uses : Goods shower room is a device that purifies the goods entering a clean area to prevent external polluted air from getting in .

这些实验证实肺中的这些活性物质可以激活炎症见于曝露于污染空气小鼠机体的其他地方。

These experiments confirmed that these activities in the lung could trigger inflammation seen throughout the rest of the body in mice exposed to polluted air.