| [/ˈpentəgən; US -gɔn; ˋpɛntəˏɡɑn/] n 用法:
1 [C] geometric figure with five sides and angles 五角形; 五边形. 用法:
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. |