pollutant /pəˈluːtn̩t/ noun plural pollutants
plural pollutants
Learner's definition of POLLUTANT
[count]
: a substance that makes land, water, air, etc., dirty and not safe or suitable to use : something that causes pollution污染物质;污染物 -
air/water pollutants空气/水污染物
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environmental/industrial pollutants环境/工业污染物
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chemical/toxic pollutants化学/有毒污染物