1. 一对表演者;表演搭档
A duo is two musicians, singers, or other performers who perform together as a pair.

2. (尤指拥有共同特征的)一对,一双
You can refer to two people together as a duo, especially when they have something in common.

1. a musical composition for two performers

Synonym: duetduette

2. a pair who associate with one another

e.g. the engaged couple
an inseparable twosome

Synonym: coupletwosomeduet

3. two performers or singers who perform together

Synonym: duetduette

4. two items of the same kind

Synonym: couplepairtwosometwainbracespanyokecoupletdistichduetdyadduad