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      pinion
      
	
      英 ['p?nj?n]
美['p?nj?n]

      


	    
      
	
        
    
      • n. [機(jī)] 小齒輪；翅膀，鳥(niǎo)翼
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      • vt. 綁住，束縛；剪掉鳥(niǎo)翼使不能飛
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      英英釋意
      
	
      
	
      1. a gear with a small number of teeth designed to mesh with a larger wheel or rack
      

      2. any of the larger wing or tail feathers of a bird
      

      3. wing of a bird