rubbish是什么意思,rubbishbin

你是什么垃圾?what kind of rubbish are you?
你是什么垃圾?what kind of rubbish are you?
新概念三册lesson30备课笔记ppt
rubbish怎么读的
rubbish是不可数名词,为什么用they代指,为什么用are?