rubbish的第三人称单数和复数;
rubbish
n. 垃圾，废物；废话，瞎说；粗制滥造的东西，劣质的东西；愚蠢的想法，荒谬的念头
v. 贬低，狠批，把……看得一文不值
rubbish是不可数名词的。
例句
He writes smug, sanctimonious rubbish.
他写的是自鸣得意、道貌岸然的垃圾。
The streets were littered with rubbish.
街上到处都是垃圾。
The rubbish in modern landfills does not rot.
现代垃圾填埋场里的垃圾不会腐烂。
