Right circular cone
01
正圆锥, 底面为圆的正圆锥
a solid figure with a circular base and a vertex that is perpendicular to the center of the base
例子
The right circular cone has a smooth curved surface that narrows from the circular base to a single point called the vertex.
直圆锥有一个光滑的曲面，从圆形底面逐渐变窄到一个称为顶点的单一点。
