水的蒸发是一个自然过程。
The ___evaporation of water is a natural process.
蒸发是指液体转变为气体的过程。
___Evaporation is the process of a liquid changing into a gas.
高温加速了植物叶片的水分蒸发。
High temperatures speed up the ___evaporation of water from plant leaves.