用英语简单描述水的循环过程

Water circulation refers to the water by the earth in different places through absorption of solar energy transformation mode of existence brought to earth in other places, such as: ground water evaporated by the sun as water vapor in the air. Definition 2 in solar and earth surface under the action of heat energy, the water on the earth has been evaporated into vapor, into the atmosphere. Steam cooled and condensed into water, under the action of gravity, with precipitation in the form of fall to the ground to go round and begin again, this process, called the water cycle. Definition 3 water circulation refers to the nature of water through evaporation, transpiration, water vapor transport, precipitation, runoff, infiltration, runoff and underground links, in the hydrosphere, atmosphere, lithosphere, biosphere in the course of continuous movement