Yeast cells were grown in large numbers with this plasmid inside, they expressed the plasmid and so you made Hepatitis B surface antigen not in people but in cell culture where it was not normally formed.

体内携带这种质粒的酵母细胞大量增殖,它们表达质粒,因此,乙型肝炎表面抗原不是在人体内,而是在细胞培养环境下,以非正常方式形成的

生物医学工程探索课程节选 : 耶鲁公开课

Is it something that is implanted in us ? by nature in that sense, or is that distinction something ? that is created by nurture and education, ? what we would call today maybe socialization?

那是天生,就深植在我们体内的吗，那种区别,是由培养与教育所创造的吗，今日我们可能会称之为社会化？

政治哲学导论课程节选 : 耶鲁公开课

That's a lot of the literature of stem cells that you'll read about, taking a particular source of stem cell and nurturing it in such a way that it gains potentials that it didn't have necessarily when it was in the body, or exploiting those potentials that it wouldn't necessarily express.

现在你可以找到很多,有关干细胞的文献中讲到,提取一种特定来源的干细胞,通过特定的培养方法之后,它们会获得在体内不能获得的潜能,或者开拓一些在体内不能得到表达的潜能

生物医学工程探索课程节选 : 耶鲁公开课