1. | (尤指古希腊和罗马的)圆形露天剧场,圆形露天竞技场a round building without a roof and with rows of seats that rise in steps around an open space. Amphitheatres were used especially in ancient Greece and Rome for public entertainments. |
2. | 阶梯式座位大厅(或剧场、室)a room, hall or theatre with rows of seats that rise in steps |
3. | 圆形凹地an open space that is surrounded by high sloping land |