Denitrifier
[医] 脱氮菌
🗣️ 情景例句
I can learn something
我能学到一些东西。
Have you been listening?
你有没有在听啊？
Then the woman simply took the parcel and walked out of the shop without paying.
然后，那妇女拿过包就走出了商场，根本没有付钱。