我们都知道，骨髓细胞可以造血，也可以恢复免疫系统的功能。

Bone marrow cells are known to help restore blood and immune system function.

youdao

我们都知道，骨髓细胞可以造血，也可以恢复免疫系统的功能。

Bone marrow cells are known to help restore blood and immune system function.

youdao