Points should always be fitted with protective plugs to prevent this, teach children to respect all electrical appliances because they are all potential hazards.

为防止这种情况，所有的电器设备都有潜的危险，所以你应该教育孩子远离它们。

A lot of times, the other side will like to manipulate electrical devices.

很多时候，另边会喜欢操控电器设备。

You've got two wires, live and neutral, that are essentially closing the circuit so that electricity will flow into and out of your electrical device.

你有两根线， 火线和零线，它们实际上合电路， 使电流能够流入和流出你的电器设备。

D. Bicycle - powered energy is not suitable for any electrical device.

D. 自行车产的能量不适合任何电器设备。

Switch off: Turn off an electrical device: Switch off the lights when not in use to save energy.

关掉: 关掉个电器设备: 不使用的时候关掉灯, 以节省能源。