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
I just want to be able to make my own decision.
我只想能够自己决定。
I want to extend my warmest welcome to all of you.
热烈欢迎大家。
The World Trade Center, an office building for over 1200 firms employing about 50,000 people, is even higher at 411 metres.
世界贸易中心要高得多，有411米。它是一座办公大楼，楼里有1，200多家公司，大约有5万雇员。