n.二重奏；二重唱
vi.演奏二重奏或二重唱
There is a piano duet by two Italians. 有意大利人的钢琴二重奏。
They also won the duet for another Beijing spot. 他们还赢得了二重唱另一场北京。
John sang in with Joan in a duet last night. 昨晚约翰和琼唱了二重唱。
保护管
n.二重奏者
