N-COUNT 姊妹城市; 友好城市Sister cities are cities in different countries that have formally established a special relationship with each other involving, for example, cultural and sports events. 姊妹城市; 友好城市 [US]
...dancers from Palo Alto's Mexican sister city, Oaxaca.
...从保罗·阿尔陀的墨西哥友好城市瓦哈卡来的舞蹈演员。
But during those days, Harlem and Soweto were sister cities.