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
Good morning, sir.
早安，先生。
Accidents will happen.
天有不测风云。
You never have to travel miles to see your friends.
你去看朋友根本不用跋涉好几英里，