duet

n. /duːˈet/ B2

二重奏；二重唱

A piece of music performed by two people together.

仙境例句

The whiting and the snail sang a duet, though the snail was always far behind.

牙鳕和蜗牛唱了一首二重唱，可蜗牛总是落后一大截。