spleen index

例句：

1. 1.The doctor ordered an ultrasound to check the spleen index.
   医生要求做超声波检查来查看脾脏指数。
2. 2.The patient's spleen index was elevated, which indicated a possible infection.
   患者的脾脏指数升高，暗示可能存在感染。
3. 3.The spleen index is a vital indicator for monitoring the health of the immune system.
   脾脏指数是监测免疫系统健康状况的重要指标。