Nitrogenation
氮化作用
🗣️ 情景例句
Sir, everything now is offered with a great discount.
先生，所有的东西都在打很大的折扣。
Did you give it to him yourself?
你自己亲自交给他吗？
Just let us know when you are ready.
那么，准备好了就请通知我们。