What it means is that in understanding a text, we are attempting to grasp it in paraphrase.

它是说，在理解文章时，我们在试着给它释义，并掌握它。

耶鲁公开课 - 文学理论导论课程节选

for exam 2, you still need to know and understand everything you learned in exam 1, but you can put off learning it completely until we get through, at least, next Wednesday before we start maybe spending time on these concepts outside of class.

为了掌握第二次考试的内容，你仍然需要知道和理解,在第一次考试前所学的全部知识，但是你可以先放一放，等到我们进行到，至少在下周三我们可能开始不在课堂上,讲这些内容之前。

麻省理工公开课 - 化学原理课程节选

In other words, to understand and cope with the problems that we all face, we all need to know and to grapple with the Western experience.

换句话说,为了理解并解决我们所面对的问题,我们必须了解并掌握西方文明的经验

耶鲁公开课 - 古希腊历史简介课程节选

Piaget was really big into question and answer, but one problem with this is that children aren't very good with language, and this might lead you to underestimate how much they know.

皮亚杰非常热衷用问与答的方法进行研究,但这里存在的一个问题便是,儿童并未能完全掌握语言,这可能会导致你低估他们的理解能力

耶鲁公开课 - 心理学导论课程节选

In other words, the effort of a reader in coming to terms with the meaning of a text is an effort to master the subject matter, what is there, what the text is really about.

也就是说读者为理解文本,做出的努力,就是来掌握事情本身，存在的努力，掌握文本究竟是关于什么的努力。

耶鲁公开课 - 文学理论导论课程节选

We'll talk about some chemistry today, what DNA molecules are like, why they have the behavior that they do, and you need to understand this in order to understand how you manipulate DNA.

今天我们会谈到一些化学结构,比如DNA分子的形态,它们为什么会以这种形态存在,你必须先掌握这些,才能理解如何操控DNA

耶鲁公开课 - 生物医学工程探索课程节选