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      首頁英語詞典overburdenoverburden英英釋意
      
                    
      
	
      overburden
      
	
      英 [??v?'b??d(?)n]

      


	    
      
	
        
    
      • vt. 使負(fù)擔(dān)過重；使過勞
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      • n. 表土（等于burden，capping）；過重的負(fù)擔(dān)
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      英英釋意
      
	
      
	
      1. the surface soil that must be moved away to get at coal seams and mineral deposits
      

      2. an excessive burden