Word · Frequency #22266
tracer
追踪者
an investigator who finds missing people or lost goods
- 1.
A compound, element, or isotope used to track the progress or history of a natural process.
- 2.
an investigator who is employed to find missing persons or missing goods
寻人寻物调查员
- 3.
A round of ammunition for a firearm that contains magnesium or another flammable substance arranged such that it will burn and produce a visible trail when fired in the dark.
- 4.
an instrument used to make tracings
描图仪
- 5.
The act or state of tracking or investigating something.
- 6.
(radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes
放射性示踪剂
- 7.
A request to trace the movements of a person or an object, such as a shipment.
- 8.
A person who traces something.
- 9.
A device or instrument used to assist in making tracings.
- 10.
A process that traces something, such as the path of execution of a program during debugging.
寻人寻物调查员；描图仪；放射性示踪剂；描图者；描绘工具；[计] 跟踪程序
In use
She works as a tracer, helping families find relatives who have gone missing.
The museum hired a tracer to recover the stolen paintings.
A tracer was called in to search for the lost documents.
a tracer for [something]
tracer 后接 for 表示追踪的目标。
The police hired a tracer for missing persons.
警方雇用了一名寻找失踪人口的追踪者。
a tracer of [something]
of 也表示追踪对象，与 for 常可互换。
She is a tracer of missing goods.
她是一名寻找丢失货物的追踪者。
a tracer who [verb phrase]
who 引导定语从句，说明追踪者的职责。
Connections
Collocations
- postal tracer
- 邮政失物调查员
- The postal tracer was able to track the misdirected letter.邮政失物调查员成功追踪到了那封投错的信。
- missing-persons tracer
- 失踪人员调查员
- She works as a missing-persons tracer for the city police.她为市警察局担任失踪人员调查员。
- tracer of lost goods
- 失物追踪员
- A tracer of lost goods is often needed in large shipping companies.大型运输公司通常需要失物追踪员。
- skilled tracer
- 熟练的追踪者
- Only a skilled tracer could have followed those faint clues.只有熟练的追踪者才能循着那些微弱的线索追查。
- private tracer
- 私人调查员
- The family hired a private tracer to locate the missing cargo.这家人雇了一名私人调查员来定位失踪的货物。
Learner notes
Memory Tip
想象侦探沿线索(trace)追踪失踪者，加上 -er 表示“人”，就是 tracer：追踪者。
Context & Register
语域：formal 常见场景：警方寻人调查、保险理赔调查、失物追查 该义项指受雇查找失踪人员或失物的调查人员，多用于正式、职业化场合，如警务、保险或商业调查；日常口语中较少见。
Pronunciation & Spelling
与 tracer /ˈtreɪsɚ/ 押韵的词：racer、chaser、pacer、spacer（都读 /eɪsɚ/）。注意拼写相似的 tracker /ˈtrækɚ/、tractor /ˈtræktɚ/ 读音不同；laser /ˈleɪzɚ/ 中的 s 读 /z/，也容易混淆。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.