Extremal
[计] 极值曲线
🗣️ 情景例句
I'm really not interested.
我真的不感兴趣。
Why are you so sad?
你为什么这样伤心？
The twins took the basket from the boat and put it under the tree.
双胞姐妹把篮子从船上拿起，放在树下。