tracked hover

例句：

1. 1.The detective tracked the suspect to the crime scene.
   侦探追踪嫌疑人到犯罪现场。
2. 2. The hiker followed the trail to the summit.
   登山者沿着小径走到山顶。
3. 3. The scientist traced the origins of the disease to its source in Africa.
   科学家追溯这种疾病的起源，发现它起源于非洲。