Umbellulone
[化] 加州月桂酮\\n[医] 伞桂酮
🗣️ 情景例句
A stitch in time saves nine.
亡羊补牢，犹为未晚。
We are used to working together.
我们习惯一起工作。
Bob tries another pop star. This time he has more difficulty in getting through.
鲍勃试着想请另一个流行歌星。但这次电话比较难打通。