请问这句中through which water passes代表什么 求分析

题目

请问这句中through which water passes代表什么 求分析
The hydrologic cycle,a major topic in this science,is the complete cycle of phenomena through which water passes，beginning as atmospheric water vapor,passing into liquid and solid form as precipitation,thence along and into the ground surface句子在这

答案

定语从句.关系代词which 的先行词是cycle ,which 在从句中和介词一起做状语.通过完整水文循环的水流动.全句翻译：
科学中一个主要话题,水循环是通过完整水文循环的水流动,从大气水蒸汽开始,逐渐变为液态的水或者固态的冰雹,通过地表,并最终进入地表.