haem-

例句：

1. 1. Haem- is a vital component of red blood cells.
   血红素是红细胞中至关重要的成分。
2. 2. The body's ability to produce haem- depends on iron levels.
   人体产生血红素的能力取决于铁的水平。
3. 3. Haem- deficiency can lead to anemia.
   缺铁性贫血会导致贫血。