Ethinylation
乙炔化
🗣️ 情景例句
Let's go to your favorite restaurant to commemorate this occasion.
我们去你最喜欢的餐馆来纪念这次活动？
This alone made our nine-day trip worthwhile.
光这件事我们9天的旅行就非常值得。
I would not waste my time pursuing that.
如果是我的话，不会将时间浪费在这里。