an athletic or sports ground with tiers of seats for spectators (有看台的)露天体育场 ■(in ancient Rome or Greece) a track for a foot race or chariot race (古希腊或古罗马的)竞走跑道;战车赛道
(pl. stadia)an ancient Roman or Greek measure of length, about 185 metres 斯塔德(古希腊或古罗马长度单位,约185米)
语源
late Middle English (in sense 2): via Latin from Greek stadion. Sense 1 dates from the mid 19th cent