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  1. cavity

    • IPA[ˈkavɪti]

    英式

    • n.
      an empty space within a solid object;a decayed part of a tooth
    • noun: cavity, plural noun: cavities

    • 釋義

    名詞

    • 1. an empty space within a solid object the abdominal cavity
    • a decayed part of a tooth most dentists fill cavities right away
  2. 知識+