a polyhedron whose vertices all lie in one or the other of two parallel planes; the faces that lie in those planes are the bases of the prismatoid
例句
用作名词(n.)
A polyhedron whose vertices all lie in one or the other of two parallel planes,the faces that lie in those planes are the bases of the prismatoid.顶点都在一个平面或两个平行的平面上的多面体，位于那些平面上的面是旁面三角台的底部。
