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      首頁英語詞典hydrogenhydrogen英英釋意
      
                    
      
	
      hydrogen
      
	
      英 ['ha?dr?d?(?)n]
美['ha?dr?d??n]

      


	    
      
	
        
    
      • n. [化學(xué)] 氫
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      英英釋意
      
	
      
	
      1. a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe