zhè / zuò / chéng / shì / zài / gǔ / dài / bèi / chēng / wéi / jīng / zhào / céng / shì / quán / guó / de / zhèng / zhì / zhōng / xīn这座城市在古代被称为京兆,曾是全国的政治中心。In ancient times, this city was called 京兆 and was once the country's political center.