n.五边形，五角形；五角大楼（指美国国防部）（thePentagon）；美国军队的领导人（thePentagon）
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 expressed surprise at these allegations.───五角大楼对这些指控表示了惊讶。
A group of people made a circle around the Pentagon.───一群人绕五角大楼围成了一个圈。
Mr. Panetta is expected to take over the Pentagon this summer armed with a strong understanding of its special-operations capabilities.───帕内塔有望在今年夏天接管对特种作战能力有着深刻理解的五角大楼（Pentagon）。
Consider how much of the Pentagon's $550 billion-a-year budget goes toward securing oil supplies.───但要知道，美国国防部现在每年花在石油供应安全上的预算是550亿美元。
Later that day, June 2, the White House said the Pentagon had received clear instructions to maintain order and keep the Cubans on the base.───那一天是6月2日，就在那天的晚些时候，白宫说五角大楼已经接到明确的指示，一定要维持基地的秩序，控制住那里的古巴人。
Pentagon officials said the majority of 440 detainees held at Guantanamo Bay Naval Base in Cuba would not face military commissions.───五角大楼官员表示，被关押在古巴关塔那摩湾海军基地（GuantanamoBayNavalBase）的440名囚犯中的大部分人都不会被送交军事委员会。
The Pentagon warned the company, which had to act on its own.───五角大楼就以其自身经历警告过这家公司。
His dismissal did not alter his rank, but it was unknown what role he would next play in the Pentagon, if any.───他没有改变他的排名，但尚未可知他接下来所扮演的角色扮演五角大楼（如果有的话）。
He outlined the pentagon in red.
The Pentagon will give preference to companies which do business electronically.sentencedict.com
Pentagon spokesman Williams says those talks are coming along quite well.
This decision will ensure that the Pentagon Papers never see the light of day.
The Pentagon is the nerve centre of the US Armed Forces.
The Pentagon refused to divulge what type of plane it was.
The Pentagon is aiming to cut US forces by over 25 per cent in the next five years.
Draw a pentagon, a regular five-sided figure.
Medicare, Medicaid, Social Security, education and the Pentagon.