Denitrifier
[医] 脱氮菌
🗣️ 情景例句
They enjoyed the film very immensely.
他们非常喜欢这部电影。
The worker is pounding steel pipes to mend the leakage of water.
管道工为了修缮漏水而敲打着下水道的铁管。
No hurry! Please take your time!
甭着急！请慢慢看！