USAGE NOTE 用法说明: electric and 和 electrical
Use electric as an adjective before the names of things that need electricity in order to work. 在电动器具的名词前使用形容词 electric:
an electric clock 电动钟
electric lights 电灯。
Use electrical as a more general word to talk about people and their work, or about things that use or produce electricity. 说到人及其职业，或用电、发电的器具设备时，可以用 electrical 这个词:
an electrical engineer 电机工程师
My dad's company imports electrical goods. 我爸爸的公司进口电器商品。