urbanisevt.使都市化；使文雅=urbanize(美).urbanadj.城市的；都市的Urban Low-income Groups城镇低收入群体urban-rural differences城乡差别urban tourist destination城市旅游地Urban pivotal interchange城市枢纽立交urban and rural schooling城乡教育urban rail traffic system城市轨道交通系统urban transport pollution城市交通污染urban planningof Shanghai上海城市规划urban planning of Qingdao青岛城市规划urbanizationof rural area农村城市化