Ethynyl
n. [化]乙炔基
🗣️ 情景例句
What are you doing?
在做什么？
Short acquaintance brings repentance.
浅交生后悔。
They had mysteriously found their way there from the wine cellar!
这些酒瓶神不知鬼不觉地从酒窖来到了这里。