impoverishvt.使贫困；使贫瘠；使枯竭impoverished perception刺激贫缺知觉impoverished increasing贫困化增长impoverished rural area贫困地区农村impoverished management贫乏的管理impoverished countryside贫困农村impoverished mountain area贫困山区impoverished rural section农村贫困地区impoverish college student高校贫困生impoverished undergraduate贫困大学生impoverished undergraduates贫困大学生