Cycloolefine
[化] 环烯烃
🗣️ 情景例句
Please accept my apology for not neeting you for lunch Tuesday.
我很抱歉，星期二没有与你一起共进午餐。
Repentance is good, but innocence is better.
悔罪虽好，无罪更佳。
Inevitably the repair job was not quite so simple.
事实上，修理工作远不是那么简单。