Electricity Lights Up the World's Columbian Exposition: October 1893.

1893年10月电力点亮世博会。

youdao

Fluorescent lights use electricity to excite mercury vapor. This produces ultraviolet light that causes a phosphor coating inside the bulb to glow.

荧光灯用电激发水银蒸气。这会生成紫外线光而使得镀在灯管内壁上的磷涂层发光.

youdao

Right now, it's impossible now to know how much electricity our lights and geothermal system will use at Sheep Dog.

眼下，我们还不可能知道在牧羊犬这个地方要用多少电来照明，要用多大规模的地热系统来取暖。

youdao

The first carries compressed air, water, communications and a constant supply of electricity to power lights that are intended to simulate daytime and nighttime.

CNN: STORY HIGHLIGHTS

Most of us also heat our houses, and use electricity for the lights, TV, home appliances and even the computer And everyone eats, too, right?

FORBES: Is Bernanke Nuts -- Ignoring Inflation?

For that you need water and also electricity to power the lights and machines.

BBC: Wounded children look for hope