pentagons
/ˈpentəˌgɔnz/
中文释义
n. 五边形, 五角形( pentagon的复数形式 ); 五角大楼（指美国国防部）
英文释义
n. a government building with five sides that serves as the headquarters of the United States Department of Defense
n. the United States military establishment
n. a five-sided polygon