摘要
自1831年英国科学家法拉第发现发电的原理以来．在不到两百年的时间里，电已经成了不可或缺的重要能源。有了它，我们可以使用电灯、电视机、空渊、洗衣机、电冰箱、电脑等家用电器；有了它，城市的夜晚就会变得灯火通明，交通事故也减少了；有了它，工厂的机器为我们织出了一件件漂亮的衣裳。
Since the British scientist Faraday discovered the principle of dec- Ironic power in 1831. during less than two hundred years, electricity has become an indispensable and significant source of energy.. With this dis- coverv, we can use lights, televisions, air conditioners, washing machines, refrigerators, laptops anti other home appliances. With this diseovery, the nights in Ihe cilies have become brighter and safer. With this discovery,
