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犯罪专业英语每日一词(三)

2011-06-03 09:00
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[双语解释]

Plain clothes policeman who work undercover to detect crime.
隐蔽调查犯罪的便衣警察。

例句:

Sean has been a member of the vice squad for nine years.
西恩在缉捕队工作已经9年了。

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