生产铝需要耗用很多昂贵的电能。
这座发电站储存电能的容量很大。
东方大黄蜂的身体外壳能将阳光转化为电能。
The body shell of the Oriental hornet converts sunlight into electricity.
最近人们已经成功地把太阳光直接转化为电能。
Quite recently man has succeeded in converting sunlight directly into electrical energy.
当你取出一块冷冻华夫饼饼放进烤面包器时，电能转化成了热能。
When you pop a frozen waffle into the toaster, electrical energy turns into heat energy.
土壤里的小动物会吃这些废物，产生电子。而电子是电能的组成部分。
Tiny animals in the soil eat this waste and they produce electrons - the building blocks of electrical energy.
在20世纪90年代，那里产出的电能大约能满足旧金山一半的用电需求。
In the 1990s enough electricity to meet about half the needs of San Francisco was being generated there.
在风能不稳定的一些地区，需要供电事业公司或者能量储存系统来提供备用电能。
In areas where the wind dies down, backup electricity from a utility company or from an energy storage system becomes necessary.
韩国科学家将炉甘石洗液的主要成分转化成一种微细的材料，这种材料能够将声波转化成电能。
Scientists from Korea have turned the main ingredient of calamine lotion into a tiny material that converts sound waves into electricity.
这些燃料的例子包括电能和风能。
Examples of these fuels include electricity and wind energy.
在中西部和沿海这些地区，风力可以提供低价电能。
In places like the Midwest and along coasts, winds can provide cheap power.
当你移动时，材料中的细线将你的动能转化为电能。
As you move, the thin wires in the material turn your movement into power.
在世界各地，哪种能源是目前最便宜的电能形式？
Which energy is now the cheapest form of electricity in many parts of the world?
它从降雨中产生的电能比从太阳能中的还多。
It produces more electricity from falling rain than solar energy.
在世界许多地方，太阳能现在是最便宜的电能。
In many parts of the world, solar energy is now the cheapest form of electricity.
太阳能电池板从太阳获取能量并将其转化为电能。
Solar panels take energy from the sun and turn it into electricity.
雨滴落在太阳能电池板上，然后滚落下来，此时它与电池板表面产生摩擦力，这种摩擦力可以转化为电能。
When a raindrop falls on the solar panel and then rolls down, it creates friction on the surface of the panel, which can then be turned into electricity.
铜卓越的导电能力和导热能力意味着它不仅用于制造全球的电缆和管道。
Copper's excellent conduction of electricity and heat means that it is used not only to cable and pipe the globe.
在不到十年的时间里，单个发电站的发电能力就从几千瓦上升到了几兆瓦，其中许多是水力发电站。
The capacity of individual power stations, many of them hydro plants, rose from a few kilowatts to over a megawatt in less than a decade.
其中40%的电能用于老式白炽灯——这是19世纪的一项技术，它所消耗的大部分电能都浪费在制造多余的热量上。
Forty percent of that powers old-fashioned incandescent light bulbs—a 19th-century technology that wastes most of the power it consumes on unwanted heat.
新增变电能力完成了75000兆伏安的目标。
Megavolt Ampere of transformation capacity achieved the target of 75,000 MVA.
生产铝需要耗用很多昂贵的电能。
Aluminium requires lots of expensive electricity to produce.
它是利用微波把电能转换成光能。
Their device uses microwaves to transform electricity into light.
电子版本使用电能和化石燃料。
那将是他们使用电能的10倍。
电池将化学能直接，转化为电能。
海湾有足够的海浪来产生电能吗？
猎户飞船将有更多的电能储备。
猎户飞船将有更多的电能储备。
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