跟踪器

例句：

1. 1.The police trackers were able to find the suspects' location.
   警方的追踪人员成功地找到了嫌疑人的所在地。
2. 2. The scientist used a tracker to study the animal's behavior.
   科学家使用追踪器来研究动物的行为。
3. 3. The team of trackers was responsible for tracking down the missing person.
   追踪小组负责找到失踪的人。