octagonal

形容词

1. 1

   八角形的、八边形的

   The old tower has an octagonal base made of gray stone.

   那座旧塔有一个灰石砌成的八角形底座。

2. 2

   八角柱状的

   She bought a set of octagonal pencils that don't roll off the desk.

   她买了一组八角柱状的铅笔，不会从桌上滚下去。