Rome and Athens were some of the great city states of the ancient world.罗马和雅典都是古代强大的城邦。Troy is a strong and prosperous nation based around a city whose walls have proven impregnable to attack.特洛伊是一个强盛的城邦，中心城市的城墙坚不可破。Will the city fathers agree to it?城邦的元老会同意这件事吗？