pyramid

n. /ˈpɪr.ə.mɪd/ B1

金字塔；锥体

A shape or monument with a triangular sloping side.

仙境例句

The small birds stood on each other's backs and made a pyramid of birds.

小鸟们一只踩着一只的背，搭成了一座小鸟金字塔。