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      2. 
		
		
      
			
			
      
				
			
      
			
			
		
      
    
      
        
      
            
      
                
                    
      
	
      watercourse
      
	
      英 ['w??t?k??s]
美['w?t?k?rs]

      


	    
      
	
        
    
      • n. 河道；水道
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      英英釋意
      
	
      
	
      1. natural or artificial channel through which water flows
      

      2. a natural body of running water flowing on or under the earth
      

      3. a conduit through which water flows