名词
中文翻译：追踪者
同义词：
['tracker', 'tracer']
例句：
-
1. The ratracer was used to locate the lost dog.
追踪器被用来找到丢失的狗。
-
2. The ratracer helped us to follow the trail of the thief.
追踪器帮助我们找到了小偷的踪迹。
-
3. The ratracer detected a chemical leak in the factory.
追踪器检测到了工厂的化学泄漏。