Olefine ketone
[化] 烯酮
🧩 词语组成解析
[化] 烯烃; 链烯烃
ketone
['ki:toʊn]
n. 酮;
🗣️ 情景例句
Would you excuse me?
失陪一下。
Learning is better than house and land.
学问是一生的财富。
Control yourself!
克制一下！