Contamiaative transmission
[医] 沾污传播
🧩 词语组成解析
🗣️ 情景例句
She's smart and sensitive for her age.
就这样的年龄来说 ，她很聪明而且懂事。
If I went with you,I'd have to be back by six o'clock
如果我与你一起去了，我将不得不在6点钟回来。
Goodbye, Dr Zhang.
再见，张医生。