adj.五角的；五边形的
By Pentagon standards, Admiral McVadon is doveish. 按五角大楼的标准来看，麦克瓦顿少将是主和派。
No new launch date was announced by the Pentagon. 五角大楼没有宣布新的发射日期。
He was being loaned to the Pentagon. 他暂时被借调给五角大楼。
Pentagon: Iraq in some ways in civil war. 五角大楼:伊拉克某种意义上已处于内战状态。
