polytroch

例句：

1. 1. The polyhedron is a mathematical shape with many faces.
   多面体是一种具有多个面的数学形状。
2. 2.The polygon has six sides and is used in many different designs.
   多边形有六边，用于许多不同的设计中。
3. 3.The polygon was formed by cutting a circle into several smaller pieces.
   多边形是由将一个圆切割成几个更小的部分形成的。