Denitrifier
[医] 脱氮菌
🗣️ 情景例句
We're having a good time, and they're in good hands.
我们玩得痛快，他们也得到很好的照顾。
I mean it. I'm serious. I'm no kidding!
我是认真的。
What's your name, please?
请问您叫什么名字？