Benjamin Franklin was an adventurous scientist. 本杰明-富兰克林是个具有冒险精神的科学家。

　　One stormy night, Benjamin and his son went outside and flew a kite to catch electricity. 一个暴风雨的夜晚，本杰明和他的儿子走到外面，通过放风筝来捕捉电流。

　　They attached a metal piece on the top of the kite and a metal key at the end of the string. 他们把金属片固定在风筝顶端并在风筝线的末端系上一把金属钥匙。

　　After lightning struck the kite, Benjamin touched the key. 闪电击中风筝后，本杰明碰了碰钥匙。

　　It gave him a small electric shock. 那让他受到了轻微的电击。

　　Fortunately, he didn't hurt himself. 所幸他没有受伤。

　　But it was a really dangerous experiment. 但这是个非常危险的实验。

　　Later, he invented a lightning rod. 后来，他发明了避雷针。

　　It is a iron stick on roofs of houses or buildings. 它是安装在房屋或建筑物屋顶上的铁杆。

　　It protects the houses and the building from lightning damage. 它保护房屋和建筑物避免雷电的损害。