pol·ka
noun/ˈpɒlkə/
/ˈpəʊlkə/
- a fast dance for two people together that was popular in the 19th century; a piece of music for this dance
波尔卡舞（盛行于 19 世纪的一种轻快的双人舞）；波尔卡舞曲 Word Originmid 19th cent.: via French and German from Czech půlka ‘half-step’, from půl ‘half’.