Nitrosification
亚硝化作用
🗣️ 情景例句
Susan's vice-president in charge of new toys and games.
Susan是主管新玩具和新 戏器具的副总裁。
We know not what is good until we have lost it.
有的时候不爱惜，失了以后空叹息。
That'll put us both in the picture.
这样双方都能了解全面的情况。