名词
中文翻译：安全装置
同义词：
['safety device', 'security system例句：1. The new security device is designed to prevent unauthorized access.（这款新的安全装置旨在防止未经授权的访问。）']
例句：
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1. The new security device is designed to prevent unauthorized access.
这款新的安全装置旨在防止未经授权的访问。
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2.The police department installed a new security device in the lobby.
警察局在大厅安装了一个新的保安设备。
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3. The security device was activated automatically when the door was closed.
当门关闭时，保安设备自动启动。