Polytrope
多变性, 多方曲线
🗣️ 情景例句
Do you have a cell phone?
你有手机吗？
My friend spent his childhood in California .
我的朋友在加利福尼亚度过了他的童年。
Since that time, racing drivers have reached speeds over 600 miles an hour.
从那时以来，赛车选手已达到每小时600英里的速度。