| 单词 | air pollutant |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔pollutant〕New regulations will reduce hazardous air pollutants.新规定将减少污染空气的有害物质。朗文当代〔sensitize〕It seems very likely that air pollutants are sensitizing people so that they become allergic to pollen.空气污染似乎很有可能使人们变得敏感，从而对花粉产生过敏反应。剑桥高阶Air pollutants, such as sulphur dioxide and nitrogen dioxide, are derived mainly from the combustion of fuels in industrial plants and vehicle engines.二氧化硫和二氧化氮等空气污染物主要源于工厂和汽车引擎中燃料的燃烧。剑桥国际It seems very likely that air pollutants are sensitizing people so that they become allergic to pollen.空气污染物似乎很有可能使人们敏感，以至于他们对花粉过敏反应。剑桥国际 |
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