The family were buried in a pyramidal crypt.那个家族的成员都葬在一座金字塔的地下室里。

a sagging black pyramidal tent pitched on the desert floor一顶松松垮垮地扎在沙地上的黑色尖顶帐篷

Fig. 1 is a pyramidal polyhedron.图一是个棱锥多面体。

There are six distinct pyramidal forms.有六种不同的金字塔晶形。

Most organizations have pyramidal structures.大部分机构都是金字塔结构。

There were complex pyramidal transactions among securities broker-dealers.证券交易人之间进行着非常复杂的金字塔式交易。