Pollutants
n. 污染物质（尤指工业废物）( pollutant的复数形式 )
🗣️ 情景例句
You can sit down now.
现在你可以坐下了。
Don't cross the bridge till you get to it.
不要杞人忧天。
He was in car number fifteen.Five other cars were just behind him.
他在第15号车里，其他5辆汽车跟在他后面。