| 1. | There are many other energy sources in store .
还有许多种其它能源尚未开发。 |
| 2. | It is important to conserve energy .
节省能源十分重要。 |
| 3. | The sun seems to be the most promising source for the future .
太阳似乎是未来有希望的能源。 |
| 4. | Coal is one of the most important energy sources in the world .
煤是世界上最重要的能源之一。 |
| 5. | Nuclear fusion is the energy source that keeps the sun alive .
核聚变是使太阳保持活力的能源。 |
| 6. | At present coal is the most common food of a steam plant .
目前，煤是蒸汽动力厂的最常用的能源。 |
| 7. | It has an energy source so they can live and maneuver .
它有能源设施，供他的生活和操纵飞行之用。 |
| 8. | The american people are willing to pay a price for energy independence .
美国人民愿意为能源自立付出代价。 |
| 9. | The industrial revolution was possible because of this energy abundance .
这种丰富的能源使工业革命成为可能。 |
| 10. | Continuous energy flows include geothermal, solar, and tidal energy .
源源不绝的能源包括地热，太阳能和潮汐能。 |
