保护管
Duets by Rossini and waltzes by Strauss? 和罗西尼做二重唱，和史特劳斯跳华尔兹？
The principal part in a duet or ensemble composition. 第一声部合(重)奏或合(重)唱中最主要的部分
Do anyone want to sing a duet with me? 有没有人要跟我唱二重唱?
Designed for four hands, as a piano duet. 四手联弹的四手联弹的，如在钢琴合奏中
I sang a duet at a Karaoke bar . 在卡拉OK厅唱二重唱。
They also won the duet for another Beijing spot. 他们还赢得了二重唱另一场北京。
