We made his octagonal hat.

我们做他的八角帽。

The room is octagonal.

这个房间是八角形的。

The middle octagonal court, there are a few people chatting.

中间的八角庭里有几个人在谈天说地。

The point groups of octagonal system in quasicrystal are studied.

从理论上对准晶体中八方晶系各点群进行了研究。

The citys octagonal layout was modeled on the eight-diagram pattern.

这座城市就是按照八卦的图形修建的。