noun🔗Share八面体 A polyhedron with eight faces; the regular octahedron has regular triangles as faces and is one of the Platonic solids."In math class, we learned that an octahedron is a shape with eight faces. "在数学课上，我们学到八面体是一种有八个面的立体图形。mathfigureChat with AIVocabulary GamePractice Reading
