electrically

例句：

1. 1.The lights were turned on and off electrically.
   这些灯是用电来开开关关的。
2. 2.Electrical engineering is a field of study that deals with the design and construction of electrical systems.
   电气工程是一门研究设计和建造电气系统的学科。
3. 3. The new car has an electric engine, which means it runs on electricity instead of gasoline.
   这款新车有一个电动引擎，这意味着它使用电力而不是汽油运行。