octahedron
US /ˌɑːk.təˈhiː.drən/
UK /ˌɒk.təˈhiː.drən/
名词
八面体
a three-dimensional geometric shape with eight plane faces, especially a regular one with equilateral triangular faces
示例:
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A regular octahedron has eight triangular faces and six vertices.
正八面体有八个三角形面和六个顶点。
•
The crystal grew in the shape of a perfect octahedron.
晶体长成了完美的八面体形状。