资料来源 : pyDict

拖船

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Tugboat \Tug"boat`\, n.
   See {Tug}, n., 3.

资料来源 : WordNet®

tugboat
     n : a powerful small boat designed to pull or push larger ships
         [syn: {tug}, {towboat}, {tower}]