metropolitans大城市metropolitanadj.大都市的；大主教区的n.大都市的居民；大主教metropolitan spatial expansion大城市空间扩展Metropolitan Police Department首都警察局(日本)metropolitan space development大城市空间发展metropolitan transport network城域传送网Metropolitan Green Space System都市区绿地系统metropolitan culture researches都市文化研究Metropolitan Area Rapid Transit大城市市区高速运输系统Metropolitan Distance Education都市远程教育Metropolitan modern agriculture都市现代农业metropolitan subscriber network大城市用户通信网