“空气污染主要由工厂排放的废气和汽车尾气引起”的英语翻译是什么?

空气污染主要由工厂排放的废气和汽车尾气引起

翻译:"Air pollution is mainly caused by exhaust gases from factories and automobile exhaust."

重点词汇

空气污染air contamination;?air pollution

主要main;?major;?mostly;?principal;?chief

工厂factory;?plant;?works;?mill;?manufactory