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      tundra
      
	
      英 ['t?ndr?]
美['t?ndr?]

      


	    
      
	
        
    
      • n. [生態(tài)] 苔原；[地理] 凍原；凍土地帶
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      英英釋意
      
	
      
	
      1. a vast treeless plain in the arctic regions between the ice cap and the tree line