来源:学生作业帮 编辑:灵鹊做题网作业帮 分类:英语作业 时间:2024/05/12 12:08:08
这个英语句子是that引导的是什么从句
only when a system possesses natural and artificial boundaries that associate the water within it with the hydrologic cycle may the entire system properly be termed hydrogeologic
定语从句,先行词是artificial boundaries