Metacetone
[化] 二乙基酮; 二乙基甲酮\\n[医] 间丙酮, 二乙基甲酮
🗣️ 情景例句
The belief crisis occurring in the younger generation may turn out to be a big problem.
年轻一代的信仰危机很可能演化成为一个大问题。
He was absent yesterday. Do you know why?
昨天他没到，你知道为什么吗？
Is everyone here today?
今天每个人都到吗？