例句與造句

1. It is also related to the nonconvex uniform polyhedron, the tetrahemihexahedron, which could be topologically identical to the hemi-icosahedron if each of the 3 square faces were divided into two triangles.
2. It is the only nonconvex uniform polyhedron whose faces are all non-convex regular polygons ( star polygons ), namely the star polygons { 10 / 3 }, besides the regular small stellated dodecahedron { 5 / 2, 5 } and great stellated dodecahedron { 5 / 2, 3 }.
3. It's difficult to find nonconvex uniform polyhedron in a sentence. 用nonconvex uniform polyhedron造句挺難的