But Paul Woods says that idea is limited by the batteries used to store energy and that there is no battery currently available that can power long-haul trucks or heavy machinery.

VOA: standard.2009.09.02

He used various forms of high-energy radiation in order to make the droplets bear a charge.

他使用很多形式的高能辐射,为了就是使这些液滴带电。

麻省理工公开课 - 固态化学导论课程节选

They're used by the body for pretty immediate energy where fat is a little bit more long-term energy, and there are many types of sugars-- and these are things that you've heard-- glucose and sucrose being the most common things that you can consume in ordinary foods, and then lactose of course, from milk.

碳水化合物被身体当做是直接能源,而脂肪则更像是一种长期能量,糖的种类有很多,这些类型你们已经听说过,葡萄糖和蔗糖是最常见的形态,你们可以在一般的食物中获取,乳糖,显然来自于乳类

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