hemiballism

例句：

1. 1. Hemiballism is a rare condition characterized byinvoluntary movements of the upperlimbs.
   半球体症候群是一种罕见的状况，表现为上肢的不自主运动。
2. 2. The patient exhibited hemiballism during the seizure.
   患者在发作期间表现出半球体症候群。
3. 3. The diagnosis of hemiballism requires a thorough medical examination and mayrequire specialized treatment.
   半球体症候群的诊断需要进行全面的医学检查，可能需要专门的治疗。