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傍晚树下好乘凉?↑白天树下的温度的确要比空旷地的温度低一些,因为树冠能反射和吸收大气中的一部分热量。而且,树叶通过光合作用能吸收二氧化碳和放出氧气。因此,白天在树阴凉处乘凉或走路,会使人感到凉快、舒适。但是,到了夜晚,情况则完全不同,树下往往反而比空旷的地方要更闷热。原因是太阳下山后,树下的地
In the evening the trees are good for taking a cool ride. ↑ Under daytime the temperature in the trees is indeed lower than in open areas because the canopy reflects and absorbs some of the heat in the atmosphere. Moreover, the leaves absorb carbon dioxide and emit oxygen through photosynthesis. Therefore, taking a cool day or walking in the shade of a tree during the day will make people feel cool and comfortable. However, at night, the situation is completely different, but the tree is often more hotter than open areas. The reason is that after the sun goes down, the ground under the tree