noun🔗Share尾椎，尾骨。 The final (bottom-most) fused vertebrae at the base of the spine, the tailbone."After falling on the ice, she felt a sharp pain in her coccyx. "她不小心在冰上摔了一跤，感觉尾椎一阵剧痛。anatomybodymedicinephysiologyorganpartstructureChat with AIVocabulary GamePractice Reading
