performern.表演者；执行者performv.执行；履行；表演；运转；举行performative analysis运用成分分析performative efficacy表现效能perform an experiment进行一次实验perform a composition演奏音乐作品performancing ability弹奏能力perform an instrument演奏乐器performing psychology表演心理学perform the experiment做试验perform an abortion on做流产perform satisfactorily令人满意地表演