In bone-marrow transplants, the donor's marrow cells may attack the recipient's tissues, often fatally.

骨髓移植时，捐赠者的骨髓细胞可能攻击接受者的组织，通常会致命。

youdao

In bone-marrow transplants, the donor's marrow cells may attack the recipient's tissues, often fatally.

骨髓移植时，捐赠者的骨髓细胞可能攻击接受者的组织，通常会致命。

youdao