evaporation
noun /ɪˌvæpəˈreɪʃn/
  /ɪˌvæpəˈreɪʃn/
 [uncountable]- the process of a liquid changing or being changed into a gas蒸发: 液体变化或变成气体的过程- 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.积雪防止土壤水分蒸发。 
 
- Heat and wind can cause evaporation.
- 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 
 
- the evaporation of wealth