autonomous city

• 自治城市

autonomous city的用法和样例：

例句

1. Greater London consists of 32 boroughs surrounding the City of London, built on the site of a Roman outpost named Londinium.
   大伦敦由环绕伦敦市的三十二个自治城市组成，它建在一个名为伦迪尼厄姆的罗马前哨站上。