Pollutants
n. 污染物质（尤指工业废物）( pollutant的复数形式 )
🗣️ 情景例句
There are four of us including my parents, a younger sister and me.
有四口人，父母亲、妹妹和我。
What are you looking at?
你正在看什么？
The coldest season of the year is winter.
一年里最冷的季节是冬天。