urbanization level

例句：

1. 1.The urbanization level is increasing as more people move to cities.
   随着越来越多的人迁往城市，城市化水平在提高。
2. 2.The government has been working on improving the urbanization level of the city.
   政府一直在努力提高城市的城市化水平。
3. 3. The urbanization level is a key factor in determining the economic growth of a region.
   城市化水平是决定一个地区经济增长的关键因素。