tunneling 

  1. 動詞
tunnel現在分詞:
不及物動詞:
挖掘隧道
開鑿隧道
挖地道, 鑿地道
隧穿
及物動詞:
在...(地方等)挖掘隧道
在...(地方等)開鑿隧道
挖...(地道、洞穴等)

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                Layer 2 Tunneling Protocol (L2TP).                            
    2. 
                                                    
  2. 
                                It often includes undermining and tunneling .                            
    3. 
                                                    
  3. 
                                Some automatic tunneling techniques are below.                            
    4. 
                                                    
  4. 
                                The tunneling was completed on 4 February 1999.                            
    5. 
                                                    
  5. 
                                Tunneling is very expensive in such conditions.                            
    6.