v.污染;弄脏;
例句:
I'm sorry, smoking will pollute air in a taxi.
对不起, 抽烟会污染车内的空气.
(figurative)a society polluted by racism
受种族主义污染的社会
For environment, do not pollute, reduce the emission of many vent gas and fuel.
而且对环境没有污染, 减少很多尾气和燃料的排放.