Ethynylation
炔化, 乙炔化作用
🗣️ 情景例句
Oh, put your heavy jacket on, Robbie.
把你的厚夹克穿上 ，Robbie。
If a donkey bray at you, don't bray at him.
傻瓜惹著你，你别跟他缠。
The explanation was simple but very unusual.
解释很简单，却异乎寻常。