求篇关于河流污染的英文文献,篇幅较小的.(翻译成汉字大概在3000字左右的)
人气:166 ℃ 时间:2019-10-14 02:38:40
解答
Water pollution is the contamination of water bodies such as lakes, rivers, oceans, and groundwater caused by human activities, which can be harmful to organisms and plants which live in these water b...
推荐
猜你喜欢