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      2. 
		
		
      
			
			
      
				
			
      
			
			
		
      
    
      
        
      
            
      
                
                    
      
	
      toxin
      
	
      英 ['t?ks?n]
美['tɑks?n]

      


	    
      
	
        
    
      • n. 毒素；毒質(zhì)
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      英英釋意
      
	
      
	
      1. a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species