emission

/ɪˈmɪʃən/

the act of emitting; causing to flow forth

中文释义：排放；散发；发射物

The government introduced stricter regulations to reduce carbon emissions from factories.

政府出台了更严格的法规以减少工厂的碳排放。

Vehicle emissions are a major contributor to air pollution in urban areas.

车辆排放是城市地区空气污染的主要来源。