contaminate
verb [ T ] uk/kənˈtæm.ɪ.neɪt/ us/kənˈtæm.ə.neɪt/
污染;弄脏;毒害
to make something less pure or make it poisonous
Much of the coast has been contaminated by nuclear waste. 大部分海岸已受到核废料污染。
The food which had been contaminated was destroyed. 受污染的食物已被销毁了。