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  1. Oxford American Dictionary

    thoracic vertebra

    • IPA[THəˈrasik]
    • n.
      each of the twelve bones of the backbone to which the ribs are attached.

    • noun: thoracic vertebra, plural noun: thoracic vertebrae

    • 更多解釋

    thoracic vertebra

    • n.
      each of the twelve bones of the backbone to which the ribs are attached.

    Oxford Dictionary