Annulene
[化] 轮烯; 大环轮烯
🗣️ 情景例句
Did you get some rest on your vacation?
假期中休息的怎么样？
Perhaps I can sneak out of the classroom unnoticed.
也许我可以神不知鬼不觉地溜进教室。
Why not?
怎么会呢？