tailbones 

  1. 名詞
tailbone複數: 尾骨
尾椎骨

    
                        
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例句

                

                    
    
                                                    
  1. 
                                Group 1 - Pain on tailbones that radiates to the legs with potential weakness;                            
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  2. 
                                rex tooth wedged between two tailbones of a duckbill dinosaur unearthed in northwestern South Dakota .                            
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                                They have short vertebral columns, with no more than 10 free vertebrae and fused tailbones (urostyle or coccyx).                            
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                                The tailbones of these lizards have been found in their faeces although it is unclear whether the whole animal was eaten or merely the tail.                            
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