是，它一个主要的空气污染物。

Yes, it's one of the main air pollutants.

youdao

空气污染主要污染物为可吸入颗粒物。

Particulates were still the major pollutant that affected the air quality.

youdao

空气污染主要污染物为可吸入颗粒物。

Particulates were still the major pollutant that affected the air quality.

youdao