Ethynylation
炔化, 乙炔化作用
🗣️ 情景例句
We'll make another.
我们还可以再次约会。
They operated on him last night.
他们昨晚给他动手术了。
It was at Charlie's wedding. You were playing the piano.
那是在查理的婚礼上，你在弹钢琴。