n.成對的表演者；二重奏（唱）

pref.表示“二”；“一對”

The duo were a real hit in last year's show. 這一對搭檔在去年的演出中大出風(fēng)頭。

The Chinese duo collected a winning total of 469.08 points in the six-dive final. 這對中國組合在決賽第六跳中以總分469.

The violinist walked on the stage and the duo became a trio. 那位小提琴家走上臺(tái),二重奏變成了三重奏。