duo的复数形
dui See {duo} duo n 1: two items of the same kind [syn: {couple}, {pair}, {twosome}, {twain}, {brace}, {span}, {yoke}, {couplet}, {distich}, {duet}, {dyad}, {duad}] 2: two performers or singers who perform together [syn: {duet}, {duette}] 3: a pair who associate with one another; "the engaged couple"; "an inseparable twosome" [syn: {couple}, {twosome}, {duet}] 4: a musical composition for two performers [syn: {duet}, {duette}] [also: {dui} (pl)]