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      首頁英語詞典efficiencyefficiency英英釋意
      
                    
      
	
      efficiency
      
	
      英 [?'f??(?)ns?]
美[?'f???nsi]

      


	    
      
	
        
    
      • n. 效率；效能；功效
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      英英釋意
      
	
      
	
      1. the ratio of the output to the input of any system
      

      2. skillfulness in avoiding wasted time and effort;
      "she did the work with great efficiency"