Coinfection
同時感染
??? 情景例句
You'll never guess what happened the other day!
你永遠也猜不到前幾天發生什么事了！
Good-bye, Mike.
再見，邁克。
I'm sorry, I can't. Is it under the teacher's desk?
對不起，我沒見過，是不是在老師的講桌底下？