空氣污染 kōng qì wū rǎn

DEFINITIONS

  1. air pollution

CHARACTERS

空 kōng
HSK 3
empty, hollow, bare, deserted
氣 qì air, gas, steam, vapor; spirit
污 wū
HSK 4
filthy, dirty, impure, polluted
染 rǎn
HSK 4
dye; be contagious; infect