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      unfasten
      
	
      英 [?n'fɑ?s(?)n]
美[,?n'f?s?n]

      


	    
      
	
        
    
      • vt. 解開(kāi)；放松
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      • vi. 解開(kāi)；放松
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      英英釋意
      
	
      
	
      1. cause to become undone;
      "unfasten your belt"
      

      2. become undone or untied;
      "The shoelaces unfastened"