Diacetone
双丙酮, 乙酰丙酮
🗣️ 情景例句
That remains to be seen.
那还要看看。
If you can't remember, just try to guess.
假如你想不起来，就猜一猜看。
Where're Lucy's pencils? Are they on her desk?
露茜的铅笔哪去了？在她的桌子上吗？