[N-VAR 可变名词]污染物（尤指车辆尾气和工业有毒化学废弃物）Pollutants are substances that pollute the environment, especially gases from vehicles and poisonous chemicals produced as waste by industrial processes.
A steady stream of California traffic clogs the air with pollutants.
加利福尼亚川流不息的车流使空气中充斥着污染物。
Oxford
pol·lu·tant/pəˈluːtənt; NAmEpəˈluːtənt/noun( formal) a substance that pollutessth, especially air and water 污染物；污染物质pollutantpollutantspol·lu·tant/pəˈluːtənt; NAmEpəˈluːtənt/
a substance that makes air, water, soil etc dangerously dirty, and is caused by cars, factories etcair/environmental/water etc pollutants New regulations will reduce hazardous air pollutants. a dumping ground for toxic pollutantschemical/industrial etc pollutants industrial pollutants in the lake
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