Acetoacetanilide
N-乙酰乙酰替苯胺, N-丁间酮酰苯胺
🗣️ 情景例句
Oh yes.
噢， 好啊。
I asked him to come with me , but he wouldn't.
我请他和我一起来，但是他不肯。
No, thank you. Thanks for all your help.
不必了，谢谢。谢谢你帮了我大忙。