夏日时,热浪滚滚,热气蒸腾。对人类而言,那令人汗水涟涟、心神难宁乃至昏昏沉沉的无穷无尽的热量,无疑是多余的。而漫漫冬日的凛冽寒气更是欺人太甚般地在广袤的大地上肆虐。为了抵抗寒冷,人们花费巨额的人力和物力,还是不免要受到寒冷的威胁危害。多少年来,人们就有这美好的理想:要是把夏日无尽的热打包储存到冬季用,把冬天的寒气也储藏到夏日用, Summer heat, heat waves, steaming. For mankind, it is undoubtedly superfluous calories, twists and turns, drowsy and even drowsy, is undoubtedly superfluous. The long winter cold sea of ​​cold is even too much to bully in the vast land raging. In order to resist the cold, people spend a huge amount of manpower and material resources, or inevitably be threatened by the cold. For so many years, people have this beautiful ideal: if the summer heat storage package to winter with endless winter cold storage to summer,