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      首頁英語詞典invalidateinvalidate英英釋意
      
                    
      
	
      invalidate
      
	
      英 [?n'v?l?de?t]
美[?n'v?l?det]

      


	    
      
	
        
    
      • vt. 使無效；使無價值
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      英英釋意
      
	
      
	
      1. declare invalid;
      "The contract was annulled"
      "void a plea"
      

      2. of cheques or tickets
      

      3. show to be invalid
      

      4. take away the legal force of or render ineffective;
      "invalidateas a contract"