Alkynol
[化] 炔醇
🗣️ 情景例句
It's good that you went back.
你回去是对的。
You don't have to play that record/CD so loud, do you?
你不一定要把唱片放得那么响，对吧？
Jim ran very fast, but Yu Yan from Class 1 ran faster. He began to catch up with Jim.
吉姆跑得非常快，但是1班的余延跑得更快。他开始赶上吉姆。