light wire

例句：

1. 1.The electrician needs to replace the light wire in the ceiling.
   电工需要更换天花板上的电线。
2. 2. The new building has a lot of light wires running through it.
   新建筑有很多电线穿过它。
3. 3. The old house had a single light wire that ran from room to room.
   旧房子有一条从房间到房间的单一电线。