tracitin

例句：

1. 1.The patient's blood levels of transferrin were low, indicating a need for supplementation.
   患者的转铁蛋白水平低，需要补充。
2. 2.Transferrin is essential for the absorption of iron from food.
   转铁蛋白对于食物中铁的吸收至关重要。
3. 3.The researcher found that transferrin could be used to treat anemia in patients with iron deficiency.
   研究者发现转铁蛋白可以用于治疗缺铁性贫血的患者。