track path

例句：

1. 1. The detective was able to track down the thief using a GPS device.
   侦探使用GPS设备追踪到了小偷。
2. 2. The team followed the trail of the missing dog.
   团队沿着失踪狗的踪迹找到了它。
3. 3. The hikers were unable to find the lost campsite due to the heavy snowfall.
   由于大雪，徒步者无法找到丢失的露营地。