prognostician

例句：

1. 1. The prognostician predicted that the patient would recover soon.
   预测者预测病人很快就会康复。
2. 2. He is a prognostician who specializes in predicting the future of his patients.
   他是专门预测病人未来情况的预后判断者。
3. 3. The prognostician's predictions have helped guide the medical treatment for many patients.
   预后判断者的预测为许多患者的医疗治疗提供了指导。