竞技场的

The secret service agents hustled the speaker out of the amphitheater.

特务机关的代理人把演讲者驱逐出竞。

That must be the oval unroofed amphitheater in Rome. It was basically a stadium with comprehensive functions.

那就是罗马的椭圆型露天竞，基本上是综功能的体育。