1. Here comes a rare chance to appreciate the trio Tenors! 千载难逢的好机会！快来欣赏三大男高音。
2. The violinist walked on the stage and the duo became a trio. 那位小提琴家走上台，二重奏变成了三重奏组。
3. The trio were playing their first match since returning from the World Cup finals in Germany. 这三位曼联大将参加了他们自德国世界杯决赛后的首场比赛。
英英解释
n.
1. the cardinal number that is the sum of one and one and one
2. a musical composition for three performers
3. three performers or singers who perform together
4. a set of three similar things considered as a unit
5. three people considered as a unit
