However, for a while the land around the city acted as a natural air conditioner, keeping the air cool through evaporation of moisture from the ground.

不过，有一段时间，莫斯科市周围的土地起到了自然空调的作用，通过从地面蒸发湿气保持空气凉爽。

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The trends were all the same: increased evaporation from the ocean that led to increased precipitation on land and more flow back into the ocean.

趋势是一样的：海洋的蒸发量增加导致陆地上降水增加和流入大海中的水量增加。

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It has long been known that trees enhance rainfall by cooling the land, slowing wind evaporation and erosion, and transpiring water into the sky from their leaves.

长久以来人们就知道树木能提高降雨量，原理就是，树木使大地变得更凉爽，同时减慢风力蒸发和侵蚀，并使叶子上的水汽蒸发到空气中去。

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