rivers defiled by pollution受: receive; accept污染: pollute; contaminate的: 4次方是 The fourth power of 2 i ...河流: river污染的河流: polluted stream下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:受污染的河流,即可在微信中查询翻译