Scientists have spent decades trying to invent ways of trapping so-called renewable energy, such as sunlight or windpower, that will last forever.
科学家们已花了几十年的时间,试图发明能够收集象太阳能和风能等取之不尽的可再生能源的方法。
2
The amount of energy emitted by the Earth depends significantly on the chemical composition of the atmosphere, particularly the amount of heat-trapping greenhouse gases.
而地球向太空所辐射的能量多少，则在于大气层中空气成分构成，尤其是温室气体的含量大小。
3
During the second actual trapping phase, the stored elastic energy is released.