lightning-rod

例句：

1. 1. The lightning rod is an essential part of a lightning protection system.
   闪电杆是防雷系统的重要组成部分。
2. 2. The engineer used the lightning rod to detect the location of the lightning strike.
   工程师使用闪电杆探测雷电击中的位置。
3. 3. The lightning rod was installed in the center of the roof to protect the house from lightning damage.
   在屋顶中心安装的闪电杆用来保护房屋免受雷击损害。