Embryonic stem cells, which replicate indefinitely in the culture dish, are capable of forming almost any tissue in the body.

胚胎干细胞，在培养基中不确定的复制，有能力形成身体几乎所有的组织。

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Grace believes that if we could somehow replicate the extremely sensitive infrared sensors of the pit viper, it might be possible to detect very small temperature changes in parts of the human body.

Grace相信，如果我们有一天能复制出象响尾蛇科那种极端敏感的红外线感受器，也许能检测出人体各种部位的微小温度变化。

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That's synthesis and that has to happen in order for cells to replicate and cell replication is happening in your body all the time.

这个DNA合成过程是,细胞复制中不可或缺的部分,细胞复制时刻不停的在你身体里进行着

耶鲁公开课 - 生物医学工程探索课程节选