secondary immunodeficiency

例句：

1. 1. The patient's immunesystem is weak due to secondary immunodeficiency.
   由于次级免疫缺陷，患者的免疫系统较弱。
2. 2. This condition is often associated withsecondary immunodeficiency.
   这种状况通常与次级免疫缺陷有关。
3. 3. The treatment forsecondary immunodeficiency involves a combinationof medications and lifestyle changes.
   治疗次级免疫缺陷的方法包括药物治疗和生活方式的改变。