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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Precipitation fog is a type of evaporation fog that happens when relatively warm rain or snow falls through cool, almost saturated air, and evaporation from the precipitation saturates the cool air.