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  1. pentahedron

    • IPA[ˌpɛntəˈhiːdr(ə)n]

    英式

    • n.
      a solid figure with five plane faces.
    • noun: pentahedron, plural noun: pentahedra

    • 更多解釋
    • IPA[ˌpen(t)əˈhēdr(ə)n]

    美式

    • n.
      a solid figure with five plane faces.

    Oxford American Dictionary