Dimethyl ketone
[医] 二甲酮, 丙酮
🧩 词语组成解析
[医] 二甲基
ketone
['ki:toʊn]
n. 酮;
🗣️ 情景例句
so it's my pleasure
所以现在我很乐意
Ignorance is the mother of impudence.
厚颜无耻由于愚昧无知。
It was Sunday.I never get up early on Sundays.
那是个星期天，而在星期天我是从来不早起的，