It's an underworld filled with gold that a brigade of fallen angels begins to extract with spades and pick axes.

在这个地狱一群堕落天使们可以拿着铲子和锤子,挖取地下的金矿。

耶鲁公开课 - 弥尔顿课程节选

So in the first week we run a section called from strawberries to gene therapy where we talk about DNA, extract DNA, you can play with the DNA of an organism and we can think about how to use DNA for other purposes.

第一周组会的主题是从草莓到基因疗法,主要讨论DNA和DNA的提取,使你们对有机组织的DNA有直观的认识,并思考DNA的其它应用

耶鲁公开课 - 生物医学工程探索课程节选