關於環境污染既英文生字同文章 - Yahoo!知識+

要做英文project關於環境污染我需要有關環境污染的相關生字同文章...thx** ... (1)air pollution toxic substances, carbon dioxide, carbon monoxide, smoke, acid rain, factory, vehicles, respiratory system, lung cancer, greenhouse effect, global warming, visibility

hk.knowledge.yahoo.com