1. 正六面体：regular hexagon ==> 正六边形 | regular hexahedron ==> 正六面体 | regular icosohedron ==> 正二十面体
2. 正 面体：regular hexagon 正 边形 | regular hexahedron 正 面体 | regular icosahedron 正二十面体
noun
1. a hexahedron with six equal squares as faces
Synonym: cube