Alkynes
[化] 炔烃
🗣️ 情景例句
Well, that's what I do.
是啊 ，我正是这么做的。
I have torn the only good shirt I own.
我撕破了我自己唯一的一件好衬衫。
and of what had previously been wrong with his wife,
也不知道他妻子以前得的是什么病，