我们也许可以通过放风筝把对风能的利用扩展到云的高度。
We might extend the application of [wind] power to the heights of the clouds, by means of kites.
一旦风能的利用趋于稳定，太阳能在将在2025年后做出相当大的贡献。
Solar would make a sizable contribution only after 2025, once the expansion of wind energy had plateaued.
世界各国对风能的利用在持续猛增，截止2008年，美国已经超越德国，成为世界第一风能大国。
The use of wind power continues to soar around the world. In 2008 the U.S. actually surpassed Germany as the world's top producer of energy from wind.
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