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.