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      首頁英語詞典diameterdiameter英英釋意
      
                    
      
	
      diameter
      
	
      英 [da?'?m?t?]
美[da?'?m?t?]

      


	    
      
	
        
    
      • n. 直徑
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      英英釋意
      
	
      
	
      1. the length of a straight line passing through the center of a circle and connecting two points on the circumference
      

      2. a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)