pentagon

中文意思

• n. 五角形
• n. 五边形

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

词形变化

复数

pentagons

例句

1. n. 五角形

   The artist drew a bright yellow pentagon in the center of the poster.

   这位艺术家在海报中央画了一个明黄色的五角形。

2. n. 五边形

   In geometry class, we learned how to calculate the area of a regular pentagon.

   在几何课上，我们学习了如何计算正五边形的面积。