Aldoketens
[化] 醛烯酮类
🗣️ 情景例句
How about a date with your grandfather?
和你爷爷约个会好吗？
It's nothing.
小事情；不足挂齿。
We'll leave some evenings free,that is,if it is all right with you.
如果你们愿意的话，我们想留几个晚上供你们自由支配。