(1)污染 (make sth dirty and dangerous to live in or to use) [T+n， T+n+prep(with)]： Traffic～s our cities. 交通污染我們的城市。rivers and lakes～d with chemical waste from factories 被工廠的化學(xué)廢物污染的河流湖泊;～d water/air 被污染的水/空氣;
(2)污染(頭腦)，敗壞(道德) (destroy the purity of the mind) [T+n， T+n+prep(with)] (fig)：～the minds of the young with foul propaganda 用邪惡的宣傳污染青年人的思想;(violent films)～children's minds (暴力電影)對(duì)孩子的思想有害;His mind is～d by wicked thoughts. 他的頭腦受到邪惡思想的腐蝕。
→pol′lutant n 污染物質(zhì);pol′lution n 污染;污染物質(zhì)