雅思流程图水循环范文

雅思流程图水循环范文,雅思小作文题目中给出的是流程图，流程图显示了水循环，即水在地表上、地表上和地表下的连续运动。考生需要根据所给出的图表进行描述。关于这个问题，外语频道小编为大家解答下。

题目：The diagram below shows the water cycle,which is the continuous movement of water on,above and below the surface of the Earth.

The picture illustrates the way in which water passes from ocean to air to land during the natural process known as the water cycle.

Three main stages are shown on the diagram.Ocean water evaporates,falls as rain,and eventually runs back into the oceans again.

Beginning at the evaporation stage,we can see that 80%of water vapour in the air comes from the oceans.Heat from the sun causes water to evaporate,and water vapour condenses to form clouds.At the second stage,labelled‘precipitation’on the diagram,water falls as rain or snow.

At the third stage in the cycle,rainwater may take various paths.Some of it may fall into lakes or return to the oceans via‘surface runoff’.Otherwise,rainwater may filter through the ground,reaching the impervious layer of the earth.Salt water intrusion is shown to take place just before groundwater passes into the oceans to complete the cycle.

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