名词
中文翻译：Unknown
同义词：
['particulate', 'particulate matter', 'particulate pollutant']
例句：
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1. The children were playing with the particulate lead paint chips.
孩子们在玩着那些颗粒状的铅漆片。
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2. The study found that particulate lead was a significant contributor to air pollution.
研究发现，微粒状铅是空气污染的一个主要来源。
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3. The city has implemented strict regulations on particulate lead emissions.
该城市对微粒状铅排放实施了严格的规定。