Anthrindandione
[化] 环戊烷并蒽醌
🗣️ 情景例句
the girl he was in love with in college married someone else.
他大学时代所爱的女孩跟别人结婚了。
I will look down the hallway.
我往下看大门口吧。
You forget that I was a medical student once upon a time.'
你忘了我以前是学医的了。”