telegraph wire

1. Tap a telephone or telegraph wire to get information.
   通过电话或者电报截取消息。
2. Something, such as a missile, an aircraft, or a radio transmission, that is intercepted. tap a telephone or telegraph wire to get information.
   拦截信号截取的导弹，飞机或无线电信号等通过电话或者电报截取消息。

noun

1. the wire that carries telegraph and telephone signals

   Synonym:    telephone wiretelephone linetelegraph line