1、The ancient amphitheater was a grand venue for performances and gladiator battles.
古代的露天剧场是维纳斯海滩上庄严的场地，同时也是格斗表演的场所。
2、The conference was held in a modern amphitheater with state-of-the-art audiovisual equipment.
会议在一座带有先进音视频设备的现代剧场举行。