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      scavenger
      
	
      英 ['sk?v?n(d)??]
美['sk?v?nd??]

      


	    
      
	
        
    
      • n. 食腐動(dòng)物；清道夫；[助劑] 清除劑；拾荒者
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      英英釋意
      
	
      
	
      1. a chemical agent that is added to a chemical mixture to counteract the effects of impurities
      

      2. someone who collects things that have been discarded by others
      

      3. any animal that feeds on refuse and other decaying organic matter