How was the water cycle
2012级（9）班[毕业]
姚立晴
2012-11-16 22:12
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英语作文
The water is in the sea.The water becomes vapour.The vapour becomes clouds.The cloud is heavy.The cloud becomes rain.The rain becomes water.The sun shines,the water becomes vapour again.This is a water cycle.Do you know the knowledge you?