音标：['pentәgәn]
n. 五角形, 五边形
【经】 五角平台
在线英汉词典
pentagon的短语、例句：
pentagon
n
1 [C] geometric figure with five sides and angles 五角形; 五边形.
2 the Pentagon
(a) [sing] the five-sided building near Washington that is the headquarters of the US Department of Defence and the US armed forces 五角大楼（美国国防部办公处）.
(b) [Gp] the leaders of the US armed forces 美国三军首脑
a spokesman for the Pentagon 美国国防部发言人.
pentagon