pernicious anemia

例句：

1. 1. The patient's condition worsened rapidly after the surgery.
   手术后，患者的病情迅速恶化。
2. 2. The doctor diagnosed the patient with pernicious anemia and prescribed medication.
   医生诊断出患者患有恶性贫血，并开了药。
3. 3. The symptoms of pernicious anemia can be treated with blood transfusions and iron supplements.
   恶性贫血的症状可以通过输血和铁补充治疗。