失败是发明过程中常见的一部分。

Failure is a common part of the inventing.

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这在一定程度上可能是因为自从19世纪以来发明过程自身的改变。

That may, in part, be because the process of invention has itself changed since the 19th century.

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这个过程从一个人开始，比如艺术家、音乐家、发明家，甚至是那些想要在工作或家里找到更好方法的人。

This process starts with a person, for example an artist, musician, inventor or even someone who's trying to figure out a better way of doing a task at work or at home.

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He took this pustular fluid that was produced at this very specific phase of the disease, and he developed a way for giving that to people.

他取出脓包中的,由这种,非常特殊的过程产生的液体,他还发明了一种将之接种到人身上的方法

耶鲁公开课 - 生物医学工程探索课程节选

And I've already given you some clues about this, in that this process of vaccination that Jenner had developed was intentionally injecting into healthy patients, a microorganism.

我刚刚已经向你们提示了一些,在詹纳发明的接种过程里,故意把微生物注射到健康病人身上

耶鲁公开课 - 生物医学工程探索课程节选