名词
中文翻译：Unknown
同义词：
['prison', 'jail', 'penitentiary']
例句：
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1. The prison was overcrowded and had a long history of mistreatment.
监狱人满为患，有长期虐待的历史。
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2. The prisoner was released after serving his sentence.
这名囚犯在服刑期满后被释放了。
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3. The prison system is under constant scrutiny for its fairness and effectiveness.
监狱系统因其公平性和有效性而不断受到审查。