dodecahedron

例句：

1. 1.The octahedron is a regular polyhedron with eight faces.
   八面体是一个有八个面的正多面体。
2. 2.The dodecahedron is a shape that looks like a giant snowflake.
   十二面体看起来像一个巨大的雪花形状。
3. 3. The dodecahedron has twelve faces and is used in many architectural designs.
   十二面体有十二个面，在许多建筑设计中都有使用。