gǔ / dài / zhàn / zhēng / zhōng / jūn / duì / cháng / cháng / tōng / guò / gōng / chéng / lüè / dì / lái / kuò / dà / shì / lì古代战争中,军队常常通过攻城掠地来扩大势力。In ancient wars, armies often expanded their power by capturing cities and territory.