In geometry, a soccer ball is considered a truncated icosahedron because it consists of 20 hexagonal and 12 pentagonal surfaces.

在几何中，一个足为是一个截断的二十面体，因为它由20个六边形和12个五边形组成。

He was pent-up in a pentagonal penthouse on a peninsula.

他关禁在一个半岛上面一个五角形小棚屋里。

Square, circular, or pentagonal in shape, the smaller towers protected the base of the walls and acted as buttresses, strengthening the fortification.

这些较小的塔楼形状各异，有方形、圆形或五边形，它们保护着城墙的底部，并作为拱壁，增强了堡垒的防御。

The significance was that  that constant didn't depend on the shape itself, it could have been a square, or a cat, or the  pentagonal faces of our dodecahedron, whatever.

重要的是，这个常并不取决于形状本身，它可能是一个正方形， 或者一只猫，或者我们的十二面体的五边形面，等等。

The cathedral garth was a cloistered, pentagonal garden with a bronze postmodern fountain. Katherine was amazed how loudly the fountain's flowing water seemed to be reverberating in the courtyard.

大教堂的花园是一个封闭的五边形花园, 里面有一个青铜色的后现代喷泉。凯瑟琳惊讶于喷泉的流水似乎在庭院里回荡的声音。