2025-06-03 01:44 浏览次数 3
平面图形
a plane figure consisting of four points, no three of which are collinear, connected by straight lines.
三角形一种由直线线段连接不在一条直线上的三点形成的平面图形;
a septilateral shape is a plane figure with seven sides.
七边形是在一个平面上有七个边。
a triangle is a plane figure with three sides .
三角形是有三个边的平面图形。