octahedron的知识聚焦

octahedron英[,ɒktə'hiːdrən;-'hed-]美[,ɑktə'hidrən]n.八面体英语词源octahedron(n.)1560s,fromGreekoktahedron,neuterofoktahedros"eight-sided,"fromokta-"eight"(seeocta-)+hedra"seat"(seesede...