guiding rail

例句：

1. 1. The train's guiding railis a crucial part of the safety system.
   火车的引导轨道是安全系统的重要组成部分。
2. 2.The guiderails on the escalator are designed to prevent people from falling.
   自动扶梯上的导向轨设计用来防止人们摔倒。
3. 3. The new design of theguiderails has made the ride smoother and more comfortable.
   新设计的导向轨使乘坐体验更加平滑和舒适。