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1.pollution英[pəˈluːʃn]美[pəˈluːʃn]，n.污染; 玷污; 搞脏; 污染物; 秽物; 垃圾; 噪声污染; (晚间扰人的)明显灯光。

2.[词组]We must address ourselves to the problem of traffic pollution.我们应该设法处理交通污染难题。