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
英语翻译如下
"Air pollution is mainly caused by air pollution from factories and automobile exhaust."
英汉翻译包括英译汉和汉译英，是一门实践性实用性很强的课程。
本课程除简单介绍中外翻译理论知识外，主要是通过对照阅读，引导应考者研究英汉两种语言的差异和相同点，找出英汉互译的规律，用以指导实践。