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    1. spine

      英 [spa?n] 美[spa?n]
      • n. 脊柱,脊椎;刺;書脊

      英英釋意


      1. the series of vertebrae forming the axis of the skeleton and protecting the spinal cord;
      "the fall broke his back"
      2. any pointed projection
      3. a sharp-pointed tip on a stem or leaf
      4. a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin