名词
中文翻译：门链
同义词：
['door lock', 'door bolt例句：1. The old house had a rusty old door chain that was difficult to open.（这所旧房子有一个生锈的旧门链，很难打开。）']
例句：
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1. The old house had a rusty old door chain that was difficult to open.
这所旧房子有一个生锈的旧门链，很难打开。
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2.She locked the door with her new door chain.
她用她的新门链锁上了门。
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3.The thief tried to break into the locked room with his door chain.
这个小偷试图用他的门链打破锁着的房间。