Even the Platonic just city will have to cultivate warrior citizens who are prepared to risk life in battle for the sake of their own city.

就算是柏拉图式的正义之城,也都还需要培养战士,一群准备好以生命作赌注,来捍卫其所属城市的公民。

耶鲁公开课 - 政治哲学导论课程节选

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

耶鲁公开课 - 生物医学工程探索课程节选

Beyond these exhortations, they relied on a good political regime to enable human beings to fulfill the capacities that were part of their nature, to train them in virtue, and to restrain them from vice.

可以看出,希腊人依赖一个良好的政治体制,以发挥个人天性中的潜能,去培养他们的美德,去遏制他们的恶习

耶鲁公开课 - 古希腊历史简介课程节选