1. Hematoblasts are progenitor cells that can differentiate into various types of blood cells.
早幼细胞是能够分化为多种类型血细胞的祖细胞。
2. The presence of hematoblasts in the bone marrow is essential for blood cell production.
骨髓中的血干细胞对于血细胞的产生至关重要。