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广播电视英语短句
第 247 课:新的血细胞-3

Their major organs are already too damaged to have all their bone marrow destroyed. 为了使他们所有的骨髓受到破坏,他们主要的器官已经受到了太大的损坏。

So for the ten patients in the study, doctors used a low amount of radiation to destroy only some of their marrow. 因此,为了这十位被研究的病人,医生用了少量的放射物,仅仅破坏了他们的一部分骨髓。

Then the patients received health marrow. There was enough space in the bone for the health marrow to start producing new red blood cells. 在骨骼中有足够的空间让健康的骨髓生产新的红血球。

The researchers say all ten patients remain alive two and a half years after the treatment, and the disease has disappeared in nine of them. 研究人员称这十位病人在接受治疗后又存活了两年半。其中的九位痊愈了。

Marrow is a soft, spongy tissue inside bone. Doctors can collect it with a needle. 骨髓是骨骼中一种柔软的、海绵状的组织。医生可以用针把它收集起来。