duet
名词 duet:
two items of the same kind
同义词:couple, pair, twosome, twain, brace, span, yoke, couplet, distich, duo, dyad, duad
two performers or singers who perform together
a pair who associate with one another
a musical composition for two performers
(ballet) a dance for two people (usually a ballerina and a danseur noble)
同义词:pas de deux