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
Thank you so much,
非常感谢你 。
Art is long, life is short.
艺术恒久，生命短暂。
But the first people who were like ourselves lived so long ago that even their sagas, if they had any, are forgotten.
但是，和我们相似的原始人生活的年代太久远了，因此，有关他们的传说既使有如今也失传了。