大氣污染 dàqìwūrǎn air pollution Definitions Defs Origin Strokes Stroke Words Sentences Sents 大气污染 大氣污染 dàqìwūrǎn variant 大氣汙染 air pollution air pollution; atmospheric pollution caused by human activity or natural events like volcanic eruptions
大气污染 大氣污染 dàqìwūrǎn variant 大氣汙染 air pollution air pollution; atmospheric pollution caused by human activity or natural events like volcanic eruptions
