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- The phenomenon in which a particle and an antiparticle,such as an electron and a positron,meet and are converted completely to energy approximately equivalent to the sum of their masses. 湮灭，湮没一种物理现象，一个粒子和它的反粒子，如一个负电子与一个正电子相遇时，转化为与粒子总能量大约相等的能量
- The phenomenon in which a particle and an antiparticle, such as an electron and a positron, meet and are converted completely to energy approximately equivalent to the sum of their masses. 湮灭，湮没一种物理现象，一个粒子和它的反粒子，如一个负电子与一个正电子相遇时，转化为与粒子总能量大约相等的能量
- 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。
- 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
- To a very good approximation the total energy is conserved. 作为一个非常好的近似，这里的总能量是守恒的。
- 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。
