We should stop factories from pouring waste water into the r

We should stop factories from pouring waste water into the r We should stop the factory from pouring dirty water into the stop the factories from pouring the dirty water into the riv 同义句 we should stop factories from producing waste gass we'd The factories p_____ waste water into the river. 英语句子“The chemical factoties are pouring waste water into the There is waste water ____(pouring/poured) into the river fro stop waste water ____(pour)into the river We should prevent them ___________ (pour) waste water into t Waste water from factories pollutes rivers改为被动语态 the factories would put their waste into the lakes (许多河流和湖泊开始被the waste water from factories所污染)用英语怎么翻译?