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      redouble
      
	
      英 [ri?'d?b(?)l]
美[,ri'd?bl]

      


	    
      
	
        
    
      • vt. 再加倍；把…再折疊；循著…折回
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      • vi. 加倍；回響；急速折回
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      • n. 再加倍
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      英英釋意
      
	
      
	
      1. double in magnitude, extent, or intensity;
      "The enemy redoubled their screaming on the radio"
      

      2. double again;
      "The noise doubled and redoubled"
      

      3. make twice as great or intense;
      "The screaming redoubled"