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      gratuitous
      
	
      英 [gr?'tju??t?s]
美[ɡr?'tu?t?s]

      


	    
      
	
        
    
      • adj. 無(wú)理由的，無(wú)端的；免費(fèi)的
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      英英釋意
      
	
      
	
      1. without cause;
      "a gratuitous insult"
      

      2. costing nothing;
      "complimentary tickets"
      

      3. unnecessary and unwarranted;
      "a strikers' tent camp...was burned with needless loss of life"