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      2. 
		
		
      
			
			
      
				
			
      
			
			
		
      
    
      
        
      
            
      
                
                    
      
	
      sodium
      
	
      英 ['s??d??m]
美['sod??m]

      


	    
      
	
        
    
      • n. [化學(xué)] 鈉（11號(hào)元素，符號(hào) Na）
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      考試真題
      
	
      
	
      Bats, swallows and more are chemically preserved in the pose in which they perished, sealed in the deposits of sodium carbonate in the water.
      2017年12月六級(jí)真題（第三套）閱讀 Section C