achroglobin

例句：

1. 1.Hemoglobin is a protein that carries oxygen in red blood cells.
   血红蛋白是一种蛋白质，存在于红血细胞中，携带氧气。
2. 2. The study of hemoglobin has led to new treatments for anemia.
   研究血红蛋白导致了新的贫血治疗方法的出现。
3. 3.Hemoglobin levels are closely monitored during pregnancy to prevent fetal distress.
   在怀孕期间，密切监测血红蛋白水平以防止胎儿窘迫。