Dibutyl ketone
[化] 二丁基酮; 二丁基甲酮; 5-壬酮
🧩 词语组成解析
[机] 二丁基
ketone
['ki:toʊn]
n. 酮;
🗣️ 情景例句
You're working pretty hard these days.
你这阵子工作得很辛苦呀。
What is thelargest industrial center in this country?
这个国家最大的工业区是哪里？
A lot of cars entered for this race last year and there was a great deal of excitement just before it began.
去年有很多汽车参加了这项比赛。比赛开始之前，人们异常激动。