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There are lots of other issues in policy including the stem cell issue.

  • -- David Baltimore 大卫巴尔的摩

政策中还有很多其他问题，包括干细胞问题。

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Cell

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I learned about HeLa cells in my first basic biology class, and I just became completely obsessed with them from that point on.

我在第一节基础生物课上学习了海拉细胞，从那时起我就完全被它们迷住了。

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We are all cells in the same body of humanity.

我们都是人类同一身体中的细胞。

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