overburden
        
	
		英[ˌəʊvəˈbɜ:dn]
		美[ˌoʊvərˈbɜrdn]
	
	
	     
    
    
    
	例句
	
	
	同义词
	
	英语六级真题
	
	英英词典释义
	
		- Noun - 1. the surface soil that must be moved away to get at coal seams and mineral deposits - 2. an excessive burden 
- Verb - 1. burden with too much work or responsibility - 2. load with excessive weight 
行业词典