So nutrition is really what people are eating; and that overlaps with the concept of diet, which is when people are making specific choices about what to eat, how do they partition their nutrients.

营养学研究的是人们吃的东西,及其与饮食概念的交叉学科,也就是人们决定吃什么之后,如何区分其中的营养素

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The important concept is that, while every cell in your body has the capability of making all the proteins that are needed throughout your body, not every cell is doing that at any given time.

这里面有一个重要的概念,就是尽管你身体里的细胞都,有能力制造出,全身上下所需的所有蛋白质,但不是所有细胞每时每刻都在这么做

耶鲁公开课 - 生物医学工程探索课程节选

In fact, we'll talk about that concept throughout the course because one of the big challenges of making these sort of new biological therapies work in people to treat diseases is getting the right molecules into the right cells, at the right period of time.

实际上,我们会讲到一个,贯穿这门课程的概念,因为为了治疗疾病,而采用的新型生物学疗法,所面临的一个大问题就是,如何将正确的分子在适当的时候,转进正确的细胞当中

耶鲁公开课 - 生物医学工程探索课程节选