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| 1. | Unlike batteries, which simply store energy, fuel cells actually generate it from volatile stuff such |
| 与仅可储存电量的普通电池不同，燃料电池可以通过诸如氢、烷等挥发性物体产生电能。 |
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| 2. | The trillions of cells in Joe's body are very efficient little furnaces, burning glucose to generate |
| 乔身体里的亿万个细胞都是效率很高的小熔炉，燃烧葡萄糖，以产生能量。 |
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| 3. | a nuclear reactor that uses controlled nuclear fusion to generate energy. |
| 用受控核聚变控制能量产生的反应堆。 |
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| 4. | a nuclear reactor that uses controlled nuclear fission to generate energy. |
| 通过控制核子裂变来产生能量的核子反应堆。 |
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| 5. | We must generate electric energy as we use it. |
| 我们必须按照使用的情况去生产电能。 |
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| 6. | suggestion that the wheeled traffic and the footsteps of crowds walking the streets in major cities could generate |
| 有一个建议提出，在大城市街道上，拥挤的人群行走的脚步和往来行驶的车辆可以用来生产能量。 |
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| 7. | A passive element cannot generate energy, but can only dissipate it or store it. |
| 一个无源元素不能产生能量，只能消耗或贮存能量。 |
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| 8. | astronauts, plus the water needed to make rocket fuel for the return journey, to cool the spacecraft and to generate |
| 把宇航员送到火星上的任务需要花11到12个月的时间。宇航员们无法带够所需的水。此外,在返回地球时,需要用水来生成火箭燃料、冷却太空船并产生能量。 |
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