undercover work

[ 例句 ] Since 1997 an average of 20 investigations each year had involved undercover work.

[ 释义 ] 自九七年起平均每年有二十宗查案需要卧底人员协助.

undercover work 来自 托福考试词汇查询 - www.wolaishi.com/TOEFL/

[ 例句 ] Plain clothes policeman who work undercover to detect crime.

[ 释义 ] 隐蔽调查犯罪的便衣警察.

undercover work 来自 托福考试词汇查询 - www.wolaishi.com/TOEFL/

[ 例句 ] Swanson persuaded Hubley to work undercover to capture the killer.

[ 释义 ] 斯旺森说服赫布利去做卧底以便将凶手抓获。

undercover work 来自 托福考试词汇查询 - www.wolaishi.com/TOEFL/

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