New Words：

electric [ɪˈlektrɪk] adj. 电的；用电的；电动的；发电的
electricity [ɪˌlekˈtrɪsəti] n. 电；电能
electrician [ɪˌlekˈtrɪʃn] n. 电工;电器技师

Sample Sentences：

They face death by the electric chair.
Now, more and more people choose to use electric bikes.
We need an electrician to fix our light switch.
Don't leave the lights on it wastes electricity.
There is still no electricity three days after the storm.
It's very wasteful of electricity to have so many lights on at once.

switch [swɪtʃ] n. (电路的)开关，闸

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