The machine is worked by wind power.
这台机器是以风力推动的。
The success of wind power represents a litmus test for renewable energy.
风能利用的成功是对可再生能源的一次立见分晓的检验。
Second, we can use wind power forever.
第二，我们可以永远使用风能。
Wind power is becoming more and more common.
风力发电变得越来越普遍。
Wind power is a very clean source of energy.
风能是一种非常清洁的能源。
Wind power is a very popular source of energy.
风力是一种非常受欢迎的能源。
A lot of people don't understand wind power very well.
很多人不太了解风能。
Wind power is most economical in areas with steady winds.
在风力稳定的地区，风力发电是最经济的发电方式。
Also, wind power is cheap, and it's getting even cheaper.
此外，风能很便宜，而且越来越便宜。
A lot of people think that wind power is new, but that's not true.
很多人认为风能是一种新能源，但事实并非如此。
Unlike wind power, there are unlikely to be environmental objections.
与风能不同的是，不太可能出现环境方面的反对意见。
Alternative energy sources includes solar energy, wind power and so on.
替代能源包括太阳能、风能等。
The technology is in place for a major expansion of wind power worldwide.
这项技术将在全球范围内大规模推广风力发电。
That's energy in all forms—oil, gas, coal, nuclear, solar and even wind power.
那是各种形式的能源——石油、天然气、煤炭、核能、太阳能，乃至风能。
In a recent speech in Iowa, he dismissed wind power as an unreliable energy source.
最近在爱荷华州的一次演讲中，他将风力发电视为一种不可靠的能源。
Myth 2: wind power is too unreliable.
谬论二：风力太不可靠。
Use of wind power is on the rise, Sawyer said.
索耶说，风能正得到日益广泛的应用。
Wind power, too, is a promising clean resource.
而风能也就变成一个很有前景的洁净能源了。
Mills used to depend on wind power or water power.
磨坊过去依赖风力或水力操作。
Wind power in populated areas is largely worthless.
而风力发电，在人口密集的地方毫无价值。
Target Is 20,000 Megawatts of Wind Power by 2020
目标是在2020年提供20,000兆瓦的风电
Engineers say that scale is the key to wind power.
工程师们说规模是风电的关键。
The use of wind power continues to soar around the world.
世界上风能的使用正在快速增长。
Wind power also grew strongly, adding 24% of generating capacity.
风力发电同样增势迅猛，发电容量增加了24%。
Low natural-gas prices are also undermining the case for wind power.
天然气价格的低廉同时也在逐渐消弱着风能的市场。
It is estimated that 30% of last year's wind power supply went unused.
据估计，去年有30%的风电没有得到利用。
It is estimated that 30% of last year's wind power supply went unused.
据估计，去年有30%的风电没有得到利用。
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