manholes 

  1. 名詞
manhole複數: 人孔
(鐵路的)避孔
(陰溝的)檢修孔

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                Are the manholes clean?                            
    2. 
                                                    
  2. 
                                Manholes can be very dangerous.                            
    3. 
                                                    
  3. 
                                The manholes were later welded shut.                            
    4. 
                                                    
  4. 
                                Moreover , people also fall into the open manholes .                            
    5. 
                                                    
  5. 
                                Manholes provided access to parts that were covered.                            
    6.