免疫抑制剂

例句：

1. 1. The patient's immune system was suppressed by the medication.
   患者的免疫系统被药物抑制。
2. 2. This immunosuppressant drug is effective in treating autoimmune diseases.
   这种免疫抑制剂药物在治疗自身免疫疾病方面是有效的。
3. 3. The doctor prescribed an immunosuppressant to prevent rejection of the transplanted organ.
   医生开了一种免疫抑制剂来防止移植器官的排斥。