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  1. lacuna

    • IPA[ləˈkjuːnə]

    英式

    • n.
      an unfilled space; a gap;a missing portion in a book or manuscript.
    • noun: lacuna, plural noun: lacunae

    • 釋義

    名詞

    • 1. an unfilled space; a gap the journal has filled a lacuna in Middle Eastern studies
    • a missing portion in a book or manuscript.
    • 2. a cavity or depression, especially in bone.