Umbellulone
[化] 加州月桂酮\\n[医] 伞桂酮
🗣️ 情景例句
Yes, we are.
是的 ，我们准备如此。
It's a busy street.
这是一个繁忙的街道。
When you have found a building in which to start your school.
你找到开办学校的楼房后