1.颈椎 cervical vertebrae2.胸椎 thoracic vertebrae3.腰椎 lumbar vertebrae4.骶骨 sacrum5.尾骨 coccyx (共 96 字) [阅读本文] >>
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 1.颈椎 cervical vertebrae2.胸椎 thoracic vertebrae3.腰椎 lumbar vertebrae4.骶骨 sacrum5.尾骨 coccyx (共 96 字) [阅读本文] >>