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是因为太阳的照射,使水变成了水蒸汽.水蒸汽上升到空中变成了云.下雨时,许许多多的小水珠从空中下降

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是因为太阳的照射,使水变成了水蒸汽.水蒸汽上升到空中变成了云.下雨时,许许多多的小水珠从空中下降
1.是因为太阳的照射,使水变成了水蒸汽。
2.水蒸汽上升到空中变成了云。
3.下雨时,许许多多的小水珠从空中下降下来变成了一条条小河。
4.人们大量运回去.再深层净化一下,就把谁变成了我们今天和的矿泉水了。
5.水来之不易,我们要好好珍惜
是因为太阳的照射,使水变成了水蒸汽.水蒸汽上升到空中变成了云.下雨时,许许多多的小水珠从空中下降
The heat from the sun turns the water to the steam.Then the steam flow up to the sky and turns to the cloud.When it rains,little water drops drop from the sky and these water drops become little rivers.
People takes water from rivers and make it cleaned,at last the water finally becomes the bottle water which are selling in the stores.
The water source is limited in our earth,we should not waste any of them.