废气排放

例句：

1. 1. The factory is responsible for the emission of harmful chemicals into the air.
   工厂负责向空气中排放有害化学物质。
2. 2.The car's exhaust system is designed to minimize emissions.
   汽车的排气系统设计成最小化排放。
3. 3. The government has announced plans to reduce emissions from factories and power plants.
   政府宣布计划减少工厂和发电厂的排放。