poll-ox

例句：

1. 1. The factory isa major source of air pollution in thearea.
   这家工厂是该地区主要的空气污染源。
2. 2. Thechemical company produces many polluting agentsthat harm the environment.
   这家化工厂生产了许多污染环境的化学物质。
3. 3. The wastewater from theindustrial plant contains polluting substancesthat need to be treated before being discharged into the river.
   工业废水中含有需要处理后才能排放到河流中的污染物质。