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the CID
CID 是 Criminal Investigation Department 的缩写，常大写。
The CID has launched an investigation.
刑事调查局已展开调查。
英国刑事调查局
CIDs — plural of cid
先理解核心含义，再看它在真实句子里的用法。
英国刑事调查局
the United States Army's principal law enforcement agency responsible for the conduct of criminal investigations for all levels of the Army anywhere in the world
The CID has launched an investigation.
刑事调查局已展开调查。
来电显示；一种识别来电者电话号码的功能。
caller identification; a feature that identifies the phone number of the caller.
The CID agent arrived at the crime scene to collect evidence.
刑事调查局的探员到达犯罪现场收集证据。
He was questioned by the CID about the missing documents.
他因文件丢失受到刑事调查局的盘问。
The CID has been investigating the fraud case for three months.
刑事调查局调查这起诈骗案已有三个月。
CID 是 Criminal Investigation Department 的缩写，常大写。
The CID has launched an investigation.
刑事调查局已展开调查。
He is a CID officer.
他是一名刑事调查局警官。
She works at the CID.
她在刑事调查局工作。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
刑事调查局官员
The CID officer interrogated the suspect for hours.
刑事调查局官员审问嫌疑人长达数小时。
刑事调查局调查
The CID investigation into the fraud case lasted six months.
刑事调查局对欺诈案的调查持续了六个月。
加入刑事调查局
After years as a detective, she decided to join the CID.
做了多年侦探后，她决定加入刑事调查局。
Use CIDs naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象刑事调查局（CID）的侦探名叫Sid，办案神速。
语域：formal 常见场景：law enforcement、police、legal 该词通常作为缩写使用，指英国刑事调查局，多用于正式场合和法律语境。
All listed words share the same /ɪd/ ending sound and rhyme with 'cid' /sɪd/. Watch out for lookalikes like 'liquid' (/ˈlɪkwɪd/) or 'cider' (/ˈsaɪdər/) which sound different.
Dictionary facts from ECDICT, WIKTIONARY.