图中的小黑点就是给癌细胞以致命打击，有效杀死癌细胞的纳米机器人。

Those tiny black dots are nanobots delivering a lethal blow to a cancerous cell, effectively killing it.

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这就意味着孩子不可能独自生成癌细胞——癌细胞一定来自母亲。

This meant that the child could not have developed the cancer in isolation – the cells must have come from the mother.

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另外，这些荧光蛋白基因还会随着癌细胞的复制而复制，因此这些癌细胞的后代也能发光。

In addition, the gene for the glowing protein is passed on by the cancer cells as they replicate, so that their progeny glow too.

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You could see, for example, when it's expressed in a cancer cell, and where it's expressed.

你可以看到，比如说，它什么时候在癌细胞里被表达，在哪里被表达。

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Maybe it got mutated and its making the wrong kinds of proteins; cancer cells often do that.

它可能已经变异,产生了错误的蛋白,癌细胞往往就是这样

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One way that that's done is by introducing genes into cancer cells, genes that aren't normally expressed in any mammalian cell, but that will cause the cancer cell to die.

已经成功应用的一种方法是,将基因导入癌细胞,而这种基因通常不在哺乳动物细胞中表达,但是可以导致癌细胞的死亡

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