Ethynation
乙炔化
🗣️ 情景例句
I'm a workaholic, so for me vacations are very boring.
我是个工作狂！度假对我来说太无聊了！
How long have they been married?
他们结婚多长时间了？
That's sensational news,isn't it, Kate?
凯特，这真是条轰动的消息，是不是？