Denitrifier
[医] 脱氮菌
🗣️ 情景例句
It's not finished yet.
现在还没有完成。
It is an equal failing to trust everybody, and to trust nobody.
信任一切与不信任任何人，同样是弱点。
In much of China, spring is usually very short.
在中国的许多地方，春天通常很短。