To fill this culture dish with inner ear cells you would need the equivalent of 40 experimental animals.

用内耳细胞填满这个培养皿,你得需要四十只试验动物。

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Much easier to keep a flask of cells under very sterile, very reproducible conditions than it is to keep a small animal, right?

保存一小瓶细胞,该细胞可在无菌条件下再生,这要比保存小动物容易的多

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That's one way of thinking why animal cells have cells from animals and humans have sub-cellular compartments.

这就不难想见,为什么动物细胞,包括,人类细胞有亚细胞结构区域了

耶鲁公开课 - 生物医学工程探索课程节选

You could use cell culture, so you don't have to grow the virus naturally in animals.

你可以利用细胞培养技术,那你就不必在动物身上培养病毒

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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

耶鲁公开课 - 生物医学工程探索课程节选

Another thing that's different about human cells and animal - human cells and bacterial cells is that many bacterial cells can swim and can exist in suspension, that means just suspended in a fluid.

人类细胞和动物细胞--,和细菌细胞,另一个重要不同是,许多细菌细胞可以游动,可以生活在悬浮液中,就是说可以悬浮在液体中

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