噪声污染 zào shēng wū rǎn

DEFINITIONS

  1. noise pollution

CHARACTERS

噪 zào
HSK 6
be noisy; chirp loudly
声 shēng
HSK 3
sound, voice, noise; tone; music
污 wū
HSK 4
filthy, dirty, impure, polluted
染 rǎn
HSK 4
dye; be contagious; infect