normal reagin

例句：

1. 1. The patient'snormal reagin was tested for the presenceof antibodies.
   患者的正常反应被用来检测抗体的存在。
2. 2. The doctor asked the patient if theyhad any normal reagins.
   医生询问患者是否有任何正常的反应。
3. 3. The testresults showed that the patienthad a normal reagin tothe vaccine.
   测试结果显示，患者对疫苗有正常的反应。