立体扇形英语怎么说

立体扇形的英文是 solid fan, 来源是 geometry（几何学）中的一种三维形状。
例句：
The solid fan is a type of three-dimensional shape commonly found in geometry.
立体扇形是几何学中常见的三维形状。
The solid fan is made up of a curved surface and a vertex, which is the point where the surface meets.
立体扇形由一个曲面和一个顶点组成，顶点是曲面相交的地方。
The solid fan is a versatile shape that can be used in a variety of applications, from engineering to art.
立体扇形是一种多用途的形状，可用于工程和艺术等各种应用。