wire-line bit

例句：

1. 1. The electrician was busy installing wires on the new house.
   电工正在忙着在新房子里安装电线。
2. 2.The old telephone line was still in use, but now there's a new one installed.
   旧的电话线路仍在使用，但现在有一个新的被安装了。
3. 3. The car's engine is wired to the radio, so you can listen to music without turning it off.
   汽车的引擎与收音机相连，所以你可以在不关闭它的情况下听音乐。