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
Except for the beard, he hasn't changed in fifty years.
除了有胡须， 他五十年来没有变。
John had a rough time last night.
约翰昨晚好像挺轰轰烈烈的样子。
And he promptly handed the sheet of paper to the gaoler.
说完，他一下子把信递给狱卒。