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Randolph's work was exclusively concerned with the effects of pollution on health.伦道夫的著作专门论述污染对健康的影响。The snowcoach concept in Yellowstone provides low-impact, low-pollution access.在黄石公园里使用雪车这一想法，为人们提供了一种对环境低影响、低污染的游...
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...the need to control environmental pollution...控制环境污染的需要Pollution is the price we pay for an overpopulated, over industrialized planet.污染就是我们为这个人口过密, 过度工业化的星球所付出的代价.Environmentalists say a critical factor in the city&#...
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pollution的音标：pollution的英式发音音标为：[pə'lu:ʃn]pollution的美式发音音标为：[pə'luʃən]...