| 释义 |
extension cordn.（名词）- An insulated, flexible electric wire fitted with a plug at one end and one or more outlets on the other, allowing one to plug in devices whose cords are not long enough to reach a wall outlet.延长线：一条绝缘可弯曲的电线，电线的一头为插头而另一头则为一至多个电源插座，让使用者得以将电源线不够长的设备插在延长线上以插到墙上的插座
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