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当热的物体和冷的物体相接触的时候,只见热的物体渐渐地冷下去,冷的物体渐渐地热起来,热的物体不会因遇冷物体而变成更热,同时冷的物体也不会因遇热物体而变成更冷,归纳自然界这种不变的事实便成了物理学上的两个结论:热量只会从较热的物体传到较冷的物体上去,热量决不会自较冷的物体传到较热的物体上来。自然间的现象同这结论相对照,没有一件是例外的。设在冷天的时候从室外取一冰块0℃投入室内的一盆冷水中,只见冰块在水中慢慢融化,盆中
When the hot object comes in contact with the cold object, the hot object only gradually cools down, the cold object gradually heats up, the hot object does not become hotter by the cooling object, and the cold object also Will not become colder due to hot objects, and the fact that such invariants of nature have been summarized has become the two conclusions of physics: the heat will only pass from the hotter object to the cooler object, and the heat will never From colder objects to hotter objects. The natural phenomenon contrasts with this conclusion, with none of the exceptions. Set in a cold day when taking an ice from the outside 0 ℃ into the indoor cold water, I saw the ice slowly melt in the water, pots