track subdivision

例句：

1. 1. The runner followed the track to the finish line.
   跑步者沿着跑道跑到了终点。
2. 2. The detective used the tracks to find the thief's location.
   侦探利用足迹找到了小偷的所在地。
3. 3. The hiker followed the track to reach the summit.
   登山者沿着小径到达山顶。