The teacher asked the students to calculate the area of the pentagon.

老师要求学生计算出五角形的面积。

The eloquent spokesman for the Pentagon was speaking to the media.

这名雄辩的美国国防部发言人正在接受媒体采访。

The Pentagon is the largest single office building in the world.

五角大楼是世界上建筑面积最大的单体办公楼。

A pentagon is a shape with five sides.

五边形就是有五条边的形状

A group of people made a circle around the Pentagon.

一群人绕五角大楼围成了一个圈。

The Pentagon has expressed surprise at these allegations.

五角大楼对这些指控表示了惊讶。

Pentagon spokesman Williams says those talks are coming along quite well.

五角大楼的发言人威廉姆斯说那些会谈在顺利进展中。

The Pentagon has said it will give preference to companies with which it can do business electronically.

五角大楼已经宣布它将优先考虑能与之进行电子交易的公司。

I am sorry about all those ridiculous euphemisms you heard from our Pentagon spokespeople.

对于那些你从我们五角大楼发言人那里听到的荒谬的委婉语，我感到很抱歉。