HSK 4 · verb · Practice
污染
to pollute; to contaminate; pollution
工厂污染了河水。
Gōngchǎng wūrǎnle héshuǐ.
The factory polluted the river.
汽车尾气会污染空气。
Qìchē wěiqì huì wūrǎn kōngqì。
Car exhaust pollutes the air.
那条河被污染后变得十分污秽。
Nà tiáo hé bèi wūrǎn hòu biàn de shífēn wūhuì。
After being polluted, that river became extremely filthy.