Pimelic ketone
[机] 见cyclohexanone
🧩 词语组成解析
[医]庚二酸
ketone
['ki:toʊn]
n. 酮;
🗣️ 情景例句
May I ask for a wake-up call tomorrow morning?
明早我可以要求晨叫服务吗？
Kennedy Airport, please. I have to be there by 7:00.
请到肯尼迪机场。我得在七点前赶到那儿。
Tramps seem to be the only exception to this general rule.
在这条普遍的规律前面，