您要查找的是不是：
- Hydrogen,a secondary energy carrier,can be converted to produce water and this water appears to be an endless source of energy. 二级能量载体氢可以被转换，产生水，这种水似乎会成为无穷无尽的能源。
- Hydrogen, a secondary energy carrier, can be converted to produce water and this water appears to be an endless source of energy. 二级能量载体氢可以被转换，产生水，这种水似乎会成为无穷无尽的能源。
- Hydrogen,which is expected to be an energy carrier,can be obtained from water using any primary energy source like solar energy,electricity or thermal energy or a hybrid system consisting of more than one of these primary energy sources. 利用任何初级的能源，如太阳能、电能、热能或者包括不止一种基本形式能源的混合能，人们就可以从水中获得期望成为能量的载体氢。
- Hydrogen, which is expected to be an energy carrier, can be obtained from water using any primary energy source like solar energy, electricity or thermal energy or a hybrid system consisting of more than one of these primary energy sources. 利用任何初级的能源，如太阳能、电能、热能或者包括不止一种基本形式能源的混合能，人们就可以从水中获得期望成为能量的载体氢。
- Improved efficiencies can be realized all along the energy chain, from the conversion of primary energy (oil, for example) to energy carriers (such as electricity) and finally to useful energy (the heat in your toaster). 效率的提升可以实现在整条能源供应链上，从初级能源（例如原油）的转换，到能源输送（例如电力），以及最后的能源使用（例如家用烤面包机）。
- 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
- The need to economize scarce energy resources. 节约使用稀有能源的必要性
