Cyclic ketone
[化] 环酮
🧩 词语组成解析
cyclic
['saiklik]
adj. 周期的，循环的;轮转的;
ketone
['ki:toʊn]
n. 酮;
🗣️ 情景例句
We were very young.
我们那时很年轻。
Dad is welcoming uncle Bob.
老爸去迎接鲍勃叔叔。
No, it isn't! That's a cat!
不，不在！那是一只猫。