The violinist walked on stage and the duo became a trio.那小提琴手走上台去,二重奏便变成了三重奏。She wanted to play more duets and trios and fewer solo numbers.她希望多演奏一些二重奏和三重奏乐曲,少一些独奏曲。The trio began to groove irresistibly.三重奏小组开始酣畅淋漓地演奏,让人流连忘返。He plays in a jazz trio.他在一个爵士乐三重奏小组里演奏。