You had the 20 hexagons and the 12 pentagons.

它有二十个六边形和十二个五边形。

The plane exploded against a wall of the huge five-sided building where more than twenty thousand people worked.

飞机撞上巨大五边形建筑物一堵墙上爆炸了，两万多人在那里工作。

Can you find me? I’m a pentagon.

你能找到我吗？我是五边形。

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

在几何学中，一个足球被认是一个截断二十面，它由20个六边形和12个五边形组成。

Importantly, it also works for some polygons with fewer sides, including heptagons, hexagons, and pentagons.

重要是， 它也适用于一些边数多边形，包括七边形、六边形和五边形。

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

这些小塔楼形状各异，有方形、圆形或五边形，它们保护着城墙底部，并作拱壁，增强了堡垒防御。

Eventually he chose a design for the building as a geometric pentagon – a building with five sides – and that's why the building is called the Pentagon.

最终他这座建筑选择了一个几何五边形设计——一座有五个面建筑——这就是这座建筑被称五角大楼原。

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.

重要是，这个常数并不取决于形状本身，它可能是一个正方形， 或者一只猫，或者我们十二面五边形面，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.

大教堂花园是一个封闭五边形花园, 里面有一个青铜色后现代喷泉。凯瑟琳惊讶于喷泉流水似乎在庭院里回荡声音。

Gawain's integrity and honor, symbolized by his heraldic device of a pentangle, are at stake in the Adventure of the Green Chapel, and what chiefly threatens to impair them is fear of the Green Knight's axe.

高文正直和荣誉，以他五边形纹章装置象征，在绿色教堂冒险中处于危险之中，而威胁到他们主要是对绿色骑士斧头恐惧。

Steroids can be naturally occurring or synthetic, but what all steroids have in common is a molecular structure that consists of a base of four rings made of 17 carbon atoms arranged in three hexagons and one pentagon.

类固醇可以是天然存在，也可以是合成，但所有类固醇共同点是一个分子结构，该结构由四个环组成，该环由 17 个碳原子组成，排列成三个六边形和一个五边形。