umbilical bleeding

• 脐血； 脐中流血

umbilical bleeding的用法和样例：

例句

1. Some types can be derived from umbilical cord blood, adult bone marrow, or possibly even adult skin.
   有一些干细胞可以从脐血，成人骨髓，甚至成人皮肤中提取。
2. Prospect for application of umbilical cord blood to clinical treatment of radiation sickness.
   脐血在放射病临床应用中的前景。