名词
中文翻译：内层警卫
同义词：
['inside guards', 'inner security例句：1. The inner guards were responsible for monitoring the security of the building.（内层警卫负责监控大楼的安全。）']
例句：
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1. The inner guards were responsible for monitoring the security of the building.
内层警卫负责监控大楼的安全。
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2. The inner guards were trained to respond quickly in case of an emergency.
内层警卫接受了快速反应的培训，以防紧急情况发生。
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3.The inner guards were responsible for ensuring the safety of all personnel within the facility.
内层警卫负责确保设施内所有人员的安全。