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      首頁英語詞典nitrogennitrogen英英釋意
      
                    
      
	
      nitrogen
      
	
      英 ['na?tr?d?(?)n]
美['na?tr?d??n]

      


	    
      
	
        
    
      • n. [化學(xué)] 氮
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      英英釋意
      
	
      
	
      1. a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues