a performance by two musicians or singers; a piece of music for two players or singers 二重奏（曲）；二重唱（曲） a piano duet 钢琴二重奏曲 The host of the show did a duet with one of the guests. 节目的主持人与一位客人进行了二重唱。 a duet for piano and violin 钢琴和小提琴的二重奏
Word Originmid 18th cent.: from Italian duetto, diminutive of duo ‘duet’, from Latin duo ‘two’.