







pollution source
source of pollution
pollutant source
contaminant source

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Open the tool →污染源 (wū rǎn yuán) means “pollution source, source of pollution, pollutant source, contaminant source”.
污染源 is pronounced wū rǎn yuán in Mandarin Chinese.
“pollution source” is 污染源 (wū rǎn yuán) in Chinese.