In his now-famous experiment, he sent a kite with a metal key tied to the string up into a thunderstorm. When he saw sparks leap from the key, his hunch about lightning was confirmed.
本杰明·富兰克林在1752年发现闪电实际上就是电，在他那个著名的实验中，富兰克林将一只栓有金属钥匙的风筝放飞到雷暴之中，当他看见钥匙上火花四溅时，他关于闪电的猜想得到了证实。
She saw words engraved into the decorative metal.
她看到字母被刻入这装饰性的金属。
应用推荐