amphitheater

• 指围绕开阔场地而建、座位呈阶梯状上升的大型圆形或椭圆形建筑或场地，用于举办表演、比赛或娱乐活动。也可指此类建筑的观众席区域或室内剧场中类似的阶梯式座位区。

A noun referring to a large, oval or circular building or structure with rising tiers of seats around an open space, used for performances, contests, or spectacles.

1. Ancient arenaB1formal

   An oval or circular building with rising tiers of seats arranged around an open space, used in ancient times for public spectacles, contests, and performances.

   圆形剧场

   • The Roman amphitheater could hold over 50,000 spectators.
   • Gladiators fought in the center of the amphitheater.
   • We visited the ancient amphitheater in Verona.

   同义词arenacolosseumstadium

2. Modern venueB1formal

   A large modern stadium or theater with tiered seating, often used for concerts, sports events, or lectures.

   圆形剧场

   • The concert was held in an outdoor amphitheater.
   • The university built a new amphitheater for graduation ceremonies.
   • Medical students observed the surgery from the amphitheater.

   同义词arenaauditoriumbowlcoliseumstadium