1.  tailbone
2.  coccyx

• 1. 尾骨: TAILBONES | tail bone | os coccygis
• 2. 尾骨骨折: fracture of coccyx | tail bone fracture | coccygeal fracture
• 3. 尾骨痛: Coccydynia | coccygodynia | coccyalgia

更多释义

• 1.属于、有关或靠近尾骨。
  Of or relating to or near the coccyx.
  dict.yoduao.com
• 2.盆腔/尾骨痉挛或有痛感
  Pain or cramp in the pelvic cavity or/and tail bone
  dict.yoduao.com
• 3.当你加深双膝的弯曲幅度是，保持头顶到尾骨一条直线.
  As you deepen the bend of the knees, maintain a straight line from the top of your head to your tailbone.
  dict.yoduao.com

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