音标发音英式音标 [ɪkˈsten.ʃən ˌliːd]美式音标 [ɪkˈsten.ʃən ˌliːd]英式发音 美式发音 基本解释延长线路,延长线;电线延长部分。同根派生 extension lead相关词英英字典剑桥英英字典 an extra wire used to take electricity to a piece of electrical equipment when it is an extra distance from the nearest socketextension lead剑桥字典extension lead柯林斯字典