footrail

例句：

1. 1. The train's footrail is rusted and worn.
   火车的铁轨生锈且磨损严重。
2. 2.The workers carefully placed the new footrail in place.
   工人们小心翼翼地将新的铁轨安放好。
3. 3.The engineer inspected the footrail for any signs of damage.
   工程师检查了铁轨是否有损坏的迹象。