正八面体regular: adj. 1.有规则的,有规律的;有秩序的,井井有条的, ...octahedron: n. (pl. octahedrons, -hedra ...octahedron: n. (pl. octahedrons, -hedra ) 八面体。 a regular octahedron 正八面体。 aluminum octahedron: 铝八面体coordination octahedron: 配位八面体下载手机词典可随时随地查词查翻译