Definition: a shape with a square base and four triangular sides that meet to form a point at the top Level: C1
石头被塑造成了金字塔的形状。
The stones were shaped into a ___pyramid.
最大的那座金字塔被几座较小的金字塔环绕着。
The largest ___pyramid was surrounded by several smaller ones.
一个几何金字塔有一个正方形的底面和四个三角形的面。
A geometric ___pyramid has a square base and four triangular faces.