Dienone
二烯酮
🗣️ 情景例句
Do you remember
你记得
I'm a genius, aren't I?
我是个天才啊。
In this much-travelled world, there are still thousands of places which are inaccessible to tourists.
在这个旅游频繁的世界上，仍有成千上万个游人足迹未至的地方。