trace slip

例句：

1. 1. The detective traced the slip of paper to find the thief's location.
   侦探通过追踪这张纸的踪迹找到了小偷的藏身之处。
2. 2.The car left a deep trace on the pavement as it drove away.
   汽车驶过时在人行道上留下了深深的痕迹。
3. 3.The footprints in the snow were evidence of someone having been there recently.
   雪地上的脚印是有人最近来过的证据。