这些细胞能自我复制。
当两种病毒侵入同一个细胞时，它们俩都开始复制自己。
When two viruses invade the same cell, they both begin to copy themselves.
不同于普通细胞的是，这种复制活动永无休止。
换而言之，对单个细胞进行复制无法得到一个完整的器官。
In other words, getting an individual cell to reproduce could not create a potential organism.
就这样，病毒一代代地复制、繁殖，免疫细胞不断死亡。
In this way, the virus generation to generation copy, reproduction, the immune cells died.
蛋白质是通过细胞中DNA复制的模版合成的。
Proteins are made from templates that are copied from a cell's DNA.
蛋白质是通过细胞中DNA复制的模版合成的。
Proteins are made from templates that are copied from a cell's DNA.
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