Pollutants
n. 污染物质（尤指工业废物）( pollutant的复数形式 )
🗣️ 情景例句
When you arrive, be sure to register with you consulate.
你到达时，记得去领事馆登记。
Speech is silver (or silvern), silence is golden.
雄辩是银，沈默是金。
Mary and lizzy are organizing a large medical conference.
玛丽和莉齐正在组织一个大型的医学会议。