例句與造句

1. Each vertex has 3 truncated dodecahedra and one tetrahedron around it.
2. There are 4800 edges of two types : 3600 shared by three truncated dodecahedra and 1200 are shared by two truncated dodecahedra and one tetrahedron.
3. There are 4800 edges of two types : 3600 shared by three truncated dodecahedra and 1200 are shared by two truncated dodecahedra and one tetrahedron.
4. It's difficult to find truncated dodecahedra in a sentence. 用truncated dodecahedra造句挺難的