问题描述： 关于雨、雪的形成,英语作文 1个回答 分类：英语 2014-12-16 问题解答： 我来补答 The sun shines and the water in the river become vapour.The vapour goes up.It goes higher and higher.It meets mang other vapour.They go up together and become a cloud. The cloud become very heavy. The rain falls from the clouds. 展开全文阅读
