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      pernicious
      
	
      英 [p?'n???s]
美[p?'n???s]

      


	    
      
	
        
    
      • adj. 有害的；惡性的；致命的；險(xiǎn)惡的
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      英英釋意
      
	
      
	
      1. exceedingly harmful
      

      2. working or spreading in a hidden and usually injurious way;
      "glaucoma is an insidious disease"
      "a subtle poison"