The greatest flood took place in Changjiang river in 1998 since our country was founded . This paper analyzed the feather and the course of this flood from the weather circulation background and the rainfall characteristics.是什么意思_The greatest flood took place in Changjiang river in 1998 since our country was founded . This paper analyzed the feather and the course of this flood from the weather circulation background and the rainfall characteristics.在线翻译_英语_读音_用法_例句