pollutant

This filter removes harmful pollutants from our drinking water. ▶

这个过滤器能去除我们饮用水中的有害污染物。

Stricter controls on industrial pollutants could improve air quality and reduce respiratory illness in urban areas.

更严格地管控工业污染物可以改善空气质量，减少城市地区的呼吸道疾病。