舞会上，一对对舞伴优雅地跳起了波兰舞曲。

The couples danced gracefully to the rhythm of the ___polonaise at the party.

音乐会上，钢琴家演奏了一首肖邦的波罗乃兹，节奏雄壮有力。

The pianist performed a Chopin ___polonaise at the concert, with its majestic and powerful rhythm.