古埃及人建造了巨大的石头金字塔作为法老的陵墓。

The ancient Egyptians built massive stone ___pyramids as tombs for their pharaohs.

一群小型金字塔环绕着中央的纪念碑。

A cluster of small ___pyramids surrounded the central monument.

孩子们在几何课上用积木搭了一个金字塔。

The children built a ___pyramid out of blocks during their geometry lesson.