| 1. | There are many other energy sources in store . 还有许多种其它能源尚未开发。 |
| 2. | The most widely used large energy source is the air gun . 应用最为广泛的大的能量源是空气枪。 |
| 3. | 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。 |
| 4. | 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。 |
| 5. | 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。 |
| 6. | He measured and recorded all energy sources introduced by humans, such as water and fertilizer . 他测量和记录了诸如水和肥料等由人引进的所有能源。 |
| 7. | The opec increase in the price of oil launched the transition to alternative energy sources . 石油输出国组织提高石油价格,推动了向代用能源的转换。 |
| 8. | The cell lost its autotrophic character and became dependent on added chemical energy sources . 细胞丧失了自养的特性,变成依赖于外加的化学能源生活。 |
| 9. | An understanding of the stellar energy sources is still more vital for the problem of stellar evolution . 弄清恒星的能源对恒星演化的研究是更为关键的问题。 |
| 10. | Land and other resources should not constrain the development of biomass as a renewable energy source for the future . 土地和其它资源应该不妨碍作为未来可更新能源的生物量的发展。 |