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词汇 octahedron
释义

octahedron

noun
/ˌɒktəˈhiːdrən/
/ˌɑːktəˈhiːdrən/
(geometry几何)
  1. enlarge image
    a solid figure with eight flat sides, especially one whose sides are eight equal triangles八面体;正八面体
    词源late 16th cent.: from Greek oktaedron, neuter (used as a noun) of oktaedros ‘eight-faced’.
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