track transformer feed end

例句：

1. 1. The car'stracks were clearly visible in the snow.
   汽车的轨迹在雪地上清晰可见。
2. 2. Thedetective followed the trail of clues tothe crime scene.
   侦探沿着线索追踪到犯罪现场。
3. 3. The team followed the plan andexecuted it flawlessly.
   团队按照计划执行，完美无缺。