名词
中文翻译：秘密警察
同义词：
['secret service', 'secret agents例句：1. The government has been accused of using secret police to suppress dissent.（政府被指控使用秘密警察来压制异议。）2. Secret police are often used to monitor public gatherings.（秘密警察通常用来监控公共集会。）3. The secret police were responsible for the investigation into the murder case.（秘密警察负责调查这起谋杀案。）']
例句：
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1. The government has been accused of using secret police to suppress dissent.
政府被指控使用秘密警察来压制异议。
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2. Secret police are often used to monitor public gatherings.
秘密警察通常用来监控公共集会。
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3. The secret police were responsible for the investigation into the murder case.
秘密警察负责调查这起谋杀案。