Ethynylation
炔化, 乙炔化作用
🗣️ 情景例句
Let me foot the bill tonight. Maybe you can treat me next time.
今晚让我付账吧，也许下次你请客。
Same difference!
半斤八两。
Sorry, I don't have one. Ask Lily. I think she has one.
对不起，我没有，问问莉莉，我想她可能有。