track crawling

例句：

1. 1. They followed the tracks of the deer to find their way back home.
   他们沿着鹿的踪迹找到了回家的路。
2. 2. The police tracked down the thief and arrested him.
   警方追踪到了小偷并将其逮捕。
3. 3. He followed the trail of breadcrumbs to find his lost dog.
   他顺着面包屑的痕迹找到了他的丢失的狗。