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      sump
      
	
      英 [s?mp]
美[s?mp]

      


	    
      
	
        
    
      • n. 水坑；污水坑；機(jī)油箱
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      • vi. 挖深（渠道，井筒等）
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      英英釋意
      
	
      
	
      1. an oil reservoir in an internal combustion engine
      

      2. a well or other hole in which water has collected
      

      3. a covered cistern; waste water and sewage flow into it