This was when you had this big track, and if you have wandered around different Greek cities that are dug up, some of them will have the hippodrome there, and you can see how huge they were.

里面是大型赛道，如果你参观过发掘出土的希腊城市，有一些会有赛马场，非常宏伟巨大。

耶鲁公开课 - 新约课程节选

They build these three large canals and this expands the area of the city by four times.

他们凿建了三条巨大的运河,使得城市面积扩大了四倍

耶鲁公开课 - 欧洲文明课程节选