| 释义 |
tracer音标['treis?] 汉语翻译n. 追踪者, 描图者, 描绘工具 【计】 跟踪程序 【化】 示踪剂 【医】 示踪器; 示踪物; 描记器 英语解释：名词 tracer:- an investigator who is employed to find missing persons or missing goods
- an instrument used to make tracings
- (radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes
- ammunition whose flight can be observed by a trail of smoke
同义词：tracer bullet
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