名詞 duet:

1. two items of the same kind
   同義詞：couple, pair, twosome, twain, brace, span, yoke, couplet, distich, duo, dyad, duad
2. two performers or singers who perform together
   同義詞：duette, duo
3. a pair who associate with one another
   同義詞：couple, twosome, duo
4. a musical composition for two performers
   同義詞：duette, duo
5. (ballet) a dance for two people (usually a ballerina and a danseur noble)
   同義詞：pas de deux

1. The principal part in a duet or ensemble composition.
   第一聲部合(重)奏或合(重)唱中最主要的部分
2. I sing with someone in duet.
   我和某人唱二重唱。

du.et

n.（名詞）
Music
【音樂】
A composition for two voices or instruments.
二重唱；二重奏：為兩個歌手或樂器寫的音樂作品
The two performers of such a composition.
表演這種樂曲的演奏者或演唱者
A pair.
一對

來源：
Italian duetto [diminutive of] duo
意大利語 duetto [] duo的小后綴
from Latin [two] * see dwo-
源自 拉丁語 [二] *參見 dwo-