名词
中文翻译：线延伸器
同义词：
['extension cord', 'extension cable', 'line extender例句：1. The line-extender is a useful tool for extending the length of your cables.（线延伸器是延长电缆长度的有用工具。）']
例句：
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1. The line-extender is a useful tool for extending the length of your cables.
线延伸器是延长电缆长度的有用工具。
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2.The line-extender allows you to connect multiple devices together without having to run long cables.
线延伸器允许你连接多个设备，而不必使用长电缆。
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3.The line-extender is essential for outdoor activities where long cables are needed.
线延伸器对于需要长电缆的户外活动至关重要。