multiple personality disorder
noun [ C or U ] psychology specialized uk/ˌmʌl.tɪ.pəl pɜː.sənˈæl.ə.ti dɪˌsɔːd.ər/ us/ˈmʌl.tə.pəl ˌpɝː.səˈnæl.ə.t̬i dɪˌsɔːr.dɚ/
多重人格障碍
a mental problem in which someone changes between different personalities
In multiple personality disorder, the alternate personalities have distinct characteristics, names, and histories. 在多种人格障碍中，每种人格有独特的性格、名字和生平。