track·lay·er /ˈtrækˌleɚ/
  鐵路工人
  Track·lay·er n. Railroads Any workman engaged in work involved in putting the track in place. [U. S. & Canada] -- Track*lay*ing, n.
  ◄ ►
  tracklayer
       n : a workman who lays and repairs railroad tracks [syn: platelayer]