Fomite
污染物
??? 情景例句
He thinks he'll be accepted,
他覺得他會被錄取。
He laughs best who laughs last.
誰笑在最后，誰笑得最好。
My grammar is improving, but I find idioms and useful expressions hard to learn.
我的語法在進步，但我發現習語和有用表達很難學。