动词短语
中文翻译：追踪标记
同义词：
['trace', 'trace with label', 'tag with a tracer']
例句：
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1. We useda tracer to find the lost dog.
我们用一种追踪标记来找到丢失的狗。
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2. The scientist traced the origins of the disease back 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。
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3. The team tagged each animal with a unique number to track their movements.
团队给每只动物贴上一个独特的号码，以追踪它们的行动。