Your red blood cell count doesn't stay low forever.

你的红细胞计数不会永远保持在低水平。

People with lymphoblastic leukemia experience things like super low red blood cell counts because there’s no room for them to be produced in the bone marrow.

患有淋巴细胞白血病的人会出现红细胞计数超低的情况，因为骨髓中没有空间让它们产生。