Topoisomer
[医]拓扑异构体
🗣️ 情景例句
If you had your choice of all the places in the world.
假如你可以选择世界上的任何地方。
My brother used to speak French to me all the time.
我的兄弟过去总是对我说法语。
I shook my head and held up five fingers indicating that I was willing to pay $5.
我摇摇头，伸出5根手指表示我只愿出5镑钱。