track component

例句：

1. 1. The train tracks are visible from the window.
   从窗户可以看到火车轨道。
2. 2. They followed the trail of the lost dog.
   他们沿着丢失的狗的踪迹找到了它。
3. 3. The path to the summit was steep and rocky.
   通往山顶的路很陡且多石。