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单词 octahedron
释义 oc·ta·he·dron
\ˌäktəˈhēdrən\ noun
(plural octahedrons \-nz\ ; also octahe·dra \-rə\)
Etymology: Greek oktaedron, from neuter of oktaedros octahedral, from okta- octa- + hedra seat — more at sit
: a solid bounded by eight plane faces
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更新时间:2026/6/30 23:19:21