水質污染 shuǐ zhì wū rǎn

DEFINITIONS

  1. water pollution

CHARACTERS

水 shuǐ
HSK 1
water, liquid, lotion, juice
質 zhì matter, material, substance
污 wū
HSK 4
filthy, dirty, impure, polluted
染 rǎn
HSK 4
dye; be contagious; infect