Olefination
烯化作用, 成烯作用
🗣️ 情景例句
Until we're married, you're not staying over.
我们结婚时，你才可以留下来。
The sleeping fox catches no poultry.
睡觉的狐狸抓不到鸡鸭。
Anyway, as Brian pointed out, it is the easiest thing in the world to give up smoking.
不管怎么说，正如布赖恩指出的那样，戒烟是世界上最容易的事情，