壁画描绘了酒神节上人们纵情歌舞的狂欢场景。

The mural depicts a ___Dionysiac celebration with people dancing and singing in ecstasy.

狂欢节上，人群陷入了一种酒神式的狂喜状态。

The crowd fell into a ___Dionysiac frenzy during the carnival.