来自《耶鲁大学开放课程：生物医学工程探索 第2集 第2集》

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  so you've got to have a battery or some way of generating power
  所以需要电池或者是某种持续发电装置
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  continuously to operate that
  来给人工心脏提供能量
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  and that makes it difficult to think about implantable
  这就增加了人工心脏的植入难度
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  and so that's a really good example of Biomedical Engineering.
  这是很好的生物医学工程的例子
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  Food supplies - food from cloned animals.
  食品供应 来自克隆动物的食物
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  We're going to talk about cloning next week,
  下星期我们讨论克隆
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  but why would cloning be an advantage in producing food?
  为什么克隆技术在食品工业中具有优越性
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  Controlling quality because cloned animals
  克隆动物食品的品质具有可控性
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  are all genetically identical
  是因为它们有相同的基因
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  and so you wouldn't have variability that way,
  所以动物个体的品质没有差异
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  and so potentially you could have - pick an individual
  所以假设你能够挑选出一个这样的个体
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  that has a really good quality meat
  它的肉质非常好