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- fuelwood energy alternative sources of energy 薪柴能源之替代能源
- It is possible to transmute one form of energy into another. 把某种形态的能量改变成另一形态的能量是可能的。
- Young people usually have more energy than the old. 青年人通常比老年人精力充沛。
- The industry felt the effects of the energy crisis. 该工业受到能源危机的影响。
- I rallied all my energy for further effort. 我振作精神以做再次的努力。
- Kinetic energy is the energy arising from motion. 动能就是由于运动而产生的能量。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- It is important to conserve energy. 节省能源十分重要。
- fuelwood energy 薪柴能源
- Nuclear energy remains a double-headed creature. 核能依然是一种有利也有弊的能原。
- As a matter of fact, light is a form of energy. 其实,光是能的一种形式。
- The move water have mechanical energy. 流动的水拥有机械能。
- Who discovered the conservation of energy? 谁发现了能量守恒?
- The sun is the ultimate source of energy. 太阳是能量的最基本来源。
- We can use solar energy to do many things today. 如今,我们可以利用太阳能做很多事情。
- Kept the thermostat lower to conserve energy. 减少自动调温机的使用以节约能源
- The need to economize scarce energy resources. 节约使用稀有能源的必要性
- They will harness the sun's energy to heat homes. 他们将利用太阳能为住宅供暖。
- These boys want an outlet for their energy. 要有个办法让这些男孩子发泄他们的精力。
- Fuelwood is becoming too expensive to buy and too scarce to gather. 薪材日益昂贵和稀缺,既买不起又拣不到。