wū​rǎn​yuán

pollution source

污染源 wū​rǎn​yuán
pollution source noun
source of pollution; the point of origin for harmful substances in the environment
corrupting influence
(metaphorical) a source of moral or intellectual corruption, such as harmful media or ideologies

Frequency

Movie subtitles
0.360 per million appears in 0% of films
Written text
2.74 per million

Sources