the process of a liquid changing or being changed into a gas Heat and wind can cause evaporation. 热和风会导致蒸发。 - evaporation (of something) (from something)
Snow cover prevents evaporation of water from the soil. 积雪可以防止水从土壤中蒸发。
the process of gradually becoming less and less （逐渐）消失，消散，衰减 the evaporation of wealth 财富的蒸发