Acetidin
[化] 乙酸乙酯
🗣️ 情景例句
I know that.
我知道。
Fall sick and you will see who is your friend and who is not.
困难见友情。
We have just moved into a new house and I have been working hard all morning.
我们刚刚搬进一所新房子，我辛辛苦苦地干了整整一个上午。