| 例句 |
Finding a cheap source of energy is really the crux of the matter.找到一种廉价的能源是真正的关键所在。Coal has been displaced by natural gas as a major source of energy.作为一种主要能源的煤正为天然气所取代。We need to reduce our dependence on oil as a source of energy.在能源方面，我们需减少对石油的依赖。What they had discovered was nothing more or less than new sources of energy.他们所发现的正是新的能源。Renewable sources of energy must be used where practical.必须在可行的地方使用可再生能源。One likely source of energy is windpower.有一种合适的能源就是风力。We need to look for alternative sources of energy.我们需要寻找其他可替代能源。Car manufacturers are looking at alternative sources of energy such as hydrogen fuel cells.汽车制造商们正在寻找其他能源例如氢燃料电池。Wood is an efficient source of energy.木材是一种高效能源。 |