动词短语
中文翻译：自动上锁
同义词：
['automatically lock', 'automatically secure', 'auto-lock', 'self-lock']
例句：
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1. The door has an automatic lock that you can use to keep it closed.
这扇门有一个自动锁，你可以用它来保持门关闭。
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2. The safe has a self-locking mechanism that prevents unauthorized access.
这个保险箱有一个自我锁定机制，防止未经授权的访问。
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3.When entering the room, please press the button for automatic locking.
进入房间时，请按下自动锁按钮。