liquid waste, especially chemicals produced by factories, or sewage 流出物，流出液（尤指工厂排出的化学废料） Oxford Collocations DictionaryEffluent is used after these nouns:- sewage
Word Originlate Middle English (in the adjective sense ‘flowing out’): from Latin effluent- ‘flowing out’, from the verb effluere ‘flow out’, from ex- ‘out’ + fluere ‘to flow’. The noun dates from the mid 19th cent.