快步,快步进行曲,急拍的狐步
Quickstep \Quick"step`\, n. (Mus.) A lively, spirited march; also, a lively style of dancing.
quickstep n 1: military march accompanying quick time 2: a ballroom dance with both quick and slow steps v : perform a quickstep [also: {quickstepping}, {quickstepped}]