myasthenia reaction

例句：

1. 1. The patient's myasthenia reaction was severeenough to require immediate medical attention.
   患者的肌无力反应严重到需要立即医疗关注。
2. 2. Thedoctor diagnosed the patient with myasthenia and prescribed a medication to help managethe condition.
   医生诊断出患者患有肌无力，并开了药来帮助管理病情。
3. 3.Myasthenia is a rare autoimmune disorder that affects the nervoussystem.
   肌无力是一种罕见的自身免疫疾病，影响神经系统。