Dihydroxypropanone
[有化]二羟基丙酮
🗣️ 情景例句
No, you needn't do that.
不行呀，你不必这样。
I have to hang up now.
我现在不得不挂电话了。
Good idea! It's much better than having classes! Can I go, too?
好主意！这比上课好得多！我也可以去吗？