形容词形式是electric，electrical，名词形式是electric，electrician，动词形式是electrify，例如：
1、The electricity supply had been cut off.电力供应被切断了。
2、The electricity industry consumes large amounts of fossil fuels.电力工业消耗大量的矿物燃料。
3、Power is fed into the electricity line through an underground cable.电力通过地下电缆传输给这条电线。
