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yun de yang zi
Author(s): 
Pages: 44
Year: Issue:  9
Journal: HONGLINGJIN,A

Abstract: 云,人们再熟悉不过了——地面上的水在太阳光的照射下,变成水蒸气,被“邀请”到了天空中,然后又遇到冷气流,形成小水滴或小冰晶,在天空中飘来飘去,最后聚集而成了云. 人们几乎每天都可以在天空中看到云的身影,它也随时变化着自己的形状.有时像奔马,在蓝天上自由驰骋;有时像树苗,在天空中茁壮成长;有时像一群小鸭子,游来游去;有时像几只蜗牛,在“蘑菇”下慢慢爬行……天上的云,真是变化莫测.
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