Generating enough electricity by using solar panels requires an area about 20 times larger than the area being illuminated.

使用太阳能电池板来产生足够的电力所需的面积大约是照明面积的20倍。

youdao

They hope robots can produce electricity by walking across the floor.

他们希望机器人可以通过在地板上行走来发电。

youdao

BWR produces electricity by boiling water, and spinning a a turbine with that steam.

BWR是通过沸水来发电的，用它的蒸汽旋转涡轮实现这一功能。

youdao

The cells created electricity by mixing hydrogen with oxygen.

VOA: special.2009.06.24

Greenhouse gas emissions, such as carbon dioxide, are created in part by burning oil and coal for transportation and electricity.

VOA: special.2009.12.26

Among others,he experimented with the idea of telegraphy C sending messages over a wire by electricity.

VOA: special.2009.02.22

Western Power says it hopes to have restored electricity by the end of Saturday.

BBC: Temperatures set to drop further

Every fuel cell, which generates electricity by a chemical reaction (as opposed to combustion), has an electrolyte.

FORBES: Salt Water Fuel Cells - Coming Soon?

It's what the industry prefers to call 'energy from waste', generating electricity by burning rubbish in enormous incinerators.

BBC