air contaminant

• 空气污染物

air contaminant的用法和样例：

例句

1. The oxidants are the most annoying of all the air pollutants.
   氧化剂是所有空气污染物中最讨厌的。
2. At any time the macrophage system might be injured by viral infection or air pollutant exposure.
   巨噬细胞随时都可能受病毒感染或空气污染物所损伤。