urbanisevt.使都市化；使文雅=urbanize(美).urbanadj.城市的；都市的urban families in poverty城市贫困家庭urban and rural community城乡社区urban landscape evolution城市景观演化urban land classification城镇土地定级urban underground project城市地下工程urban permanent residents城市本地人口urban area of Shuangcheng地下水urban residential quarter城市住宅区urban complex environment城市复杂环境urban soil and water loss城市水土流失