Dinaphthyl ketone
[化] 二萘酮; 二萘甲酮
🧩 词语组成解析
二萘(基)
ketone
['ki:toʊn]
n. 酮;
🗣️ 情景例句
Mr. Carlson will be with you shortly. Carlson
先生不久就可以见你。
For how long?
要借多久？
The cultivation of a hobby and new forms of interest is therefore a policy of the first importance to a public man.
因此，对一个从事社会活动的人来说，培养一种业余爱好和各种新的兴趣是头等重要的作法。