舞蹈病特别是在臂、腿及脸部出现的无法控制的、无规律的肌肉运动为症状的各种神经系统紊乱
Any of various disorders of the nervous system marked by uncontrollable and irregular muscle movements, especially of the arms, legs, and face.
不规律的在过程上或行为上无规律的;不可预测的
Irregular in course or behavior; unpredictable.