当他们把从头合成的基因注射到细胞，细胞便产生新的病毒。

When they synthesized the genes from scratch and injected the genetic material into cells, the cells produced new viruses.

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他们接受了视网膜细胞附近的基因注射，以帮助修补他们的光受体。

They received a shot of genes near their retinal cells to repair their light receptors.

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研究人员将一种能够产生绿色光线的基因注射到这种病毒内。

The researchers injected them with a gene that produces a green glow of light.

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Those two examples I just gave you, one had to directly inject a gene containing vector into the pronucleus of a fertilized egg and you don't have that opportunity in adults.

在我刚给出的两个例子里,一个必须得将带有目的基因的载体,直接注射到受精卵的原核中,这在成年人身上行不通

耶鲁公开课 - 生物医学工程探索课程节选