in AM, use 美国英语用 amphitheater
- (多建于古希腊、古罗马时期的)圆形露天大剧场
An amphitheatre is a large open area surrounded by rows of seats sloping upwards. Amphitheatres were built mainly in Greek and Roman times for the performance of plays.
- N-COUNT (部分或整个被包围的)露天场地,圆形凹地
You can describe land which partly or completely surrounds an open area as an amphitheatre.
- ...a natural amphitheatre of mountains.
被群山环绕的天然露天场地