lightening core

例句：

1. 1. The lightning coreis the part of a lightning rod thatconducts electricity to the ground.
   闪电核心是雷击杆传导电流到地面的部分。
2. 2. The lightning core is responsible for generatingand directing the lightning bolts.
   闪电核心负责生成和引导闪电。
3. 3. The lightningcore is a crucial component in lightning protectionsystems.
   闪电核心是雷电保护系统的关键组成部分。