admin 内部爆料 “每日一词” sister city UK Your browser doesn't support HTML5 audio /ˈsɪs.tə ˌsɪt.i/ US Your browser doesn't support HTML5 audio /ˈsɪs.tɚ ˌsɪt̬.i/ a town or city that shares planned activities and visits with a similar town in another country 关于这个