This is the 7859th most frequent Chinese word.
電動
Electric-powered.
Here, 電動 (electric) is used as an adjective to describe 'car', indicating that the car operates using electricity rather than gasoline.
我想買一台電動車。
I want to buy an electric car.
In this sentence, 電動 (electric) qualifies 'toothbrush', designating a device that uses electric power for operation.
這款電動牙刷充電非常快速。
This electric toothbrush charges very quickly.
The term 電動 here is used to describe 'arcade game machines', referring to electronic games powered by electricity.