grand finale

a very exciting or impressive ending of a performance or show

令人激动的或令人印象深刻的结尾的表演

Tonight's light show is the grand finale of a month-long series of events.

今晚的灯光秀是为期1个月的系列活动的盛大收场。

They played important roles in the grand finale of the opening ceremony.

他们在开幕式的压轴戏中担当主要角色。