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pollutant

美音:[pə´lu:tənt ]点这儿播放单词美音发声
英音:[pə´lu:tənt ]点这儿播放单词英音发声
n.污染物质

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pollutant为短语/超纲词汇

pollutant


/-ənt; -ənt/
n substance that pollutes, eg exhaust fumes from motor vehicles 污染物质(如机动车辆排出的废气)
*releasing pollutants into the atmosphere 将污染物质排放到空气里.

pollutant


n[C]
a substance that makes air, water, soil etc dangerously dirty, and is caused by cars, factories etc
air/environmental/water etc pollutants
 New regulations will reduce hazardous air pollutants.
 a dumping ground for toxic pollutants
chemical/industrial etc pollutants
 industrial pollutants in the lake