| 释义 |
避雷针bìléizhēn保护建筑物等避免雷击的装置。在高大建筑物顶端安装一个金属棒,用金属线与埋在地下的一块金属板连接起来,利用金属棒的尖端放电,使云层所带的电和地上的电逐渐中和。{lightning rod; device that protects buildings, etc. from lightning. A metallic rod is mounted on top of a high-rise building and connected to a metallic board at ground level by a cable. The tip of the rod attracts the lightning discharges and transmits them safely into the ground where it is neutralized.} |