Contamiaative transmission
[医] 沾污传播
🧩 词语组成解析
🗣️ 情景例句
My son must have put you to a lot of trouble.
我儿子一定给你带来不少麻烦。
He came at a bad time.
他来的不是时候。
We have a showroom in this city.
我们在本市设有一个展示中心。