Cycloalkene
[化] 环烯
🗣️ 情景例句
You first, Audrey.
你先来， Audrey。
As the fool thinks, so the bell clinks.
一厢情愿。
It seems she was in class on Friday afternoon, but no one has seen her since.
好象她星期五还在教室，但从那以后没人看见过她。