Denitrifier
[医] 脱氮菌
🗣️ 情景例句
Are you planning to attach a train to it?
准备加拖地裙摆吗？
He drinks a lot of milk every day.
他每天都喝很多牛奶。
The landlord smiled and immediately went out.
酒店老板笑了笑，马上走了出去。