tracers

英 [t'reɪsəz] 美 [t'reɪsəz]

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tracers的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 tracer:

1. an investigator who is employed to find missing persons or missing goods

2. an instrument used to make tracings

3. (radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes

4. ammunition whose flight can be observed by a trail of smoke

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