英语翻译Water does around and around earth in a never ending journey called the water cycle.The sun heats up lakes,oceans and other wet places on the earth.When the water gets warm it changes into vapor.Plants also give off lots of water vapor.So
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英语翻译Water does around and around earth in a never ending journey called the water cycle.The sun heats up lakes,oceans and other wet places on the earth.When the water gets warm it changes into vapor.Plants also give off lots of water vapor.So
英语翻译
Water does around and around earth in a never ending journey called the water cycle.The sun heats up lakes,oceans and other wet places on the earth.When the water gets warm it changes into vapor.Plants also give off lots of water vapor.Some of theis water vapor cools off high in the sky and forms cloud.Then it fall it falls back to earth in a new place as rain or snow.This cycle happens over and over again.
The ground can soak up water like a sponge.If you could see this groundwater,it wouldn't look like a lake or a river .The groundwater is mixed in with the rocks and sand that lie in layer below earth 's surface.
Groundwater moves along in very slow motion.How slow?Maybe 1.5 kilometers in one century.Some of this water has been underground for thousands of years.And once groundwater is pumped out of the ground ,it may take hun-dreds of years for another water to take its place.
英语翻译Water does around and around earth in a never ending journey called the water cycle.The sun heats up lakes,oceans and other wet places on the earth.When the water gets warm it changes into vapor.Plants also give off lots of water vapor.So
水环绕地球进行的永不停歇的旅程就是水资源循环.太阳晒干了江湖海洋和地球上其它的湿地,水因受热转化成水蒸汽.植物也散发出许多的水蒸气.一部分水蒸气在高空中冷却形成了云.然后以雨雪的形式降落回大地.这一过程不断的循环发生.
地面象海绵一样能吸水.假如你看到地下水的话,你会发现地下水不像湖水或是河水,地表之下的水夹杂着沙石.
地下水的流动非常缓慢.有多慢?大概是一世纪流动一千五百米.有些水已经在地下储存千万年.这些地下水一旦从地下抽出,可能要几百年后才有一些水流到地下这个位置.