In terms of wind and raw solar energy, the flow is exceptionally diluted: solar is ten to fifty times less concentrated than fossil fuel.
对风能和其他天然的太阳能来说，能量流异常稀薄的：化石燃料的浓缩度比太阳能高十到五十倍。
As much as Americans seem reluctant to give up their petrol-guzzling SUVs, he concentrated on promoting small, fuel-efficient cars, with a similar message around the world to advertise them.
就像很多美国人不愿意放弃他们那耗油的SUV那样，法尔利将重点集中于推广小型车，能效高的车型，并且在全球范围内用相似的广告语来宣传。
The fuel for this black hole comes from powerful winds blown off dozens of massive young stars that are concentrated nearby.
这个黑洞的食物来自于它周围十几个大质量的年青恒星所吹出的强风。
The underwater search has concentrated on a remote part of the Indian Ocean off Western Australia — where investigators 2 believe the aircraft ditched in the ocean after running out of fuel.
水下搜索工作聚焦于西澳大利亚州外的印度洋偏远海域——调查人员认为，该班机在耗尽燃油后坠入了这一带的大洋中。
The underwater search has concentrated on a remote part of the Indian Ocean off Western Australia — where investigators 2 believe the aircraft ditched in the ocean after running out of fuel.
水下搜索工作聚焦于西澳大利亚州外的印度洋偏远海域——调查人员认为，该班机在耗尽燃油后坠入了这一带的大洋中。
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