tetra-erythrin

例句：

1. 1. The patient's blood tests showed a tetra-erythropoietin level that wassignificantly elevated.
   患者的血液测试显示，四倍红细胞生成素水平显著升高。
2. 2.This medication is designed to stimulate the production of tetra-erythropoietin in the body.
   这种药物旨在刺激体内四倍红细胞生成素的产生。
3. 3. Researchers are studying the role of tetra-erythropoietin in bone marrow regeneration.
   研究人员正在研究四倍红细胞生成素在骨髓再生中的作用。