You would also engage in sports together, and you would develop a camaraderie because you were expected then to be the fighting force for your city, your city-state.

一起参加体育运动，培养友谊,因为他们将成为这座城市，这座城邦的，主要战斗力。

耶鲁公开课 - 新约课程节选

Well, right now, we practice a lot at the City Rock Gym which is really close.

现在，我们经常在附近的城市之石体育馆练习。

去学校聚会的路上 - SpeakingMax英语口语达人

I actually live in between the campus and City Rock Gym.

事实上，我住的地方就在校园和城市之石体育馆中间。

去学校聚会的路上 - SpeakingMax英语口语达人