详细解释:n. 五角形, 五边形
【经】 五角平台
词型变化：
副词:pentagonally形容词:pentagonal英语解释：
名词 pentagon:
a government building with five sides that serves as the headquarters of the United States Department of Defensethe United States military establishmenta five-sided polygon例句：
But the judge had no stomach for bureaucratic infighting(particularly with the Pentagon, which controls most of his intelligence budget plus its own) and not much feel for how to fit secret information into policy debates.可是法官无意参与政府内斗(尤其不愿与国防部内斗。国防部控制自己的预算，也控制着他的大部分情报预算), 同时他也不甚清楚如何把机密情报扯进政策辩论。