1、pollution英[p??lu??n]美[p??lu??n]，n.污染; 玷污; 弄脏; 污染物; 秽物; 垃圾; 噪音污染; (夜间扰人的)强烈灯光。
2、[例句]We must address ourselves to the problem of traffic pollution.我们必须设法解决交通污染问题。