Ethines
[化] 炔烃
🗣️ 情景例句
Well, that's done. Shall we go?
好了 打完了。我们可以走了吗?
When I had a rest, what were you doing?
当我休息时，你在做什么？
I can see why you are having some problems with it.
我明白为什么你用起来会有问题了。