难句分析

teyvhf

34. Only when a system possesses natural or artificial boundaries that associate the water within it the hydrologic cycle may the entire system properly be termed hydrogeologic. what's 'it' for here? and 'within'? thanks

himba

within it应该指的是wihin the hydrologic cycle吧？

nbnhjf

这段话中少打了一个with，所以造成大家理解困难 that associate the water within it with the hydrologic cycle 主干：associate the water with the hydrologic cycle 这样 it 就清楚了，指的是a system within it 修饰the water