reduced pollution levels翻译

reduced pollution levels的基本解释

读音: 美: 英:

降低污染水平:采取措施减少环境中的污染物质含量。

例句

High pollution levels often occurred in urban street canyon due to the increased traffic emissions and reduced natural ventilation.机动车尾气排放不断增加以及城市通风能力降低,常导致城市街谷内的空气污染。
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