Pentagon
01
五边形, 五角形
a geometric shape with five angles and five straight sides
例子
The flag of the city had a pentagon in the center, symbolizing the five founders.
城市的旗帜中央有一个五边形，象征着五位创始人。
In the game, each player had to draw a perfect pentagon without the use of a ruler.
在游戏中，每个玩家都必须在不使用尺子的情况下画出一个完美的五边形。
02
五角大楼, 五角大楼建筑
a government building with five sides that serves as the headquarters of the United States Department of Defense
03
五角大楼, 美国军事机构
the United States military establishment
