"Vitamin D has become a very hot topic in medicine now as we are discovering very high levels of vitamin D deficiency in our population, not only in the U.S.,but worldwide" Vitamin D helps our bodies absorb calcium and helps form and maintain strong bones.

VOA: standard.2010.05.28

And so they're coming at the text already with some kind of familiarity with the topic, at least in a popular conception.

所以他们阅读文本时,对这个话题其实早已有所了解，至少了解大众观点。

耶鲁公开课 - 新约课程节选

and she comes to a very touchy, a very delicate topic of conversation and she perhaps hesitates.

当她谈论到一个有点敏感与微妙的话题时，她似乎有点犹豫要不要接着讲下去。

have to 课堂 - SpeakingMax英语口语达人

So, I want to turn to that topic and spend oh, probably the better part of a lecture or so.

我想转向这个话题,用讲座的大部分时间。

耶鲁公开课 - 死亡课程节选

Well, there is a sentence for you and, as I say, I don't have time to explicate it but I commend it to you as a possible paper topic if you're still in need of one.

这就是我说的那个句子，我没有时间解释它，但是我向你们推荐,最为一个可能的论文话题，如果你们还需要的话。

耶鲁公开课 - 文学理论导论课程节选

This is a really good topic to do the class before an exam because it's a little bit of a lighter topic.

这对于考试之前的一节课来说,是一个非常好的课题,因为这是一个稍微轻松一点的课题。

麻省理工公开课 - 化学原理课程节选

Incidentally, sort of side topic: The death knell for a marriage for Gottman This is his big finding.

顺便提一下，一个次要的话题：,对他来说婚姻结束的标志,这是他的大发现。

耶鲁公开课 - 心理学导论课程节选

It would be a wonderful paper topic, an examination of all of the Galileo similes.

这会是非常好的论文题目，关于所有伽利略的比喻的审视。

耶鲁公开课 - 弥尔顿课程节选

OK. Today, for the rest of the lecture, we're going to take a break from the topic of algorithms, and computation, and things of the sort. And do something pretty pragmatic.

好，今天剩下的时间里，我们不再讲算法，计算和排序这些话题了,我们会做一些非常实用的事,我们主要的讲讲测试。

麻省理工公开课 - 计算机科学及编程导论课程节选

I want you to look at this picture, read the little bit about gene - control of gene expression - that's in the book, know that it's a big topic, that we're not going to talk about it except we're going to talk about some examples where control of gene expression can be exploited in order to treat diseases, for example. So I'll see you on Thursday.

所以我希望你能看一下这张图,读一些,教材里基因调控的章节,这是个很大的话题,我们不会进一步深入去探讨,但一些基因调控,用以治疗疾病的例子,我们可能还会在之后的课程中讲到,那我们周四见了

耶鲁公开课 - 生物医学工程探索课程节选

And this poem could be the basis of a first paper, a topic for one.

这首诗可能会是第一篇论文,的基础，一个话题。

耶鲁公开课 - 现代诗歌课程节选

A lot of interesting reasons, we've all heard the topic-- the word chocoholic, sugar addict, we hear the words withdrawal and things and that becomes an interesting part of the biology of food.

值得思考的原因有很多,我们都听过这样的词汇,巧克力成瘾,糖果成瘾,还有戒断反应之类的词,这都是食品生物学中有趣的部分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

you get to write a thesis about some kind of topic related to your major.

你要写一篇和你的专业有关的论文。

我尊敬的教授 - SpeakingMax英语口语达人

Life insurance is actually an insurance against one of you dying; it's a very unpleasant topic.

人寿保险实际上是为死亡投保,这是个让人极度不快的话题

耶鲁公开课 - 金融市场课程节选

And indeed, as it happens, in our department this very semester there is such a class devoted, all semester, to the topic of consciousness.

当然,这也的确是如此,我们系在这一学期,就有这么一个班,花了整整一个学期,来讨论意识问题

耶鲁公开课 - 死亡课程节选

And it's a topic I want to pick up on today, we're going to do for the next few lectures, and it's a topic I want to spend some time on because this idea of capturing data and methods, the term we're going to use for it, but data and functions that belong to that data, things that can be used to manipulate them, is a really powerful one.

我们会在今天讲这个话题,在后面几节课还会讲这个,这是个我愿意花点时间，在上面的话题因为这是个,捕获数据和方法的思想,我们用这个术语来形容它，数据中包括了数据和函数等，能用来操作它们的东西,真的是很强大的工具，我们真正要讲的东西是，我们要学会如何把信息。

麻省理工公开课 - 计算机科学及编程导论课程节选

N 2 So any chemist should be able to just look at n 2 and know that it's a triple bond, but that's not something that we've learned how did to do yet, so let's go ahead and start a new topic that's going to allow us to have some sort of sense of what the valence electron configuration, which includes whether something's a single or double or a triple bond can be figured out for any given molecule.

任何一个化学家都应该能够仅仅通过看到2,就知道它有一个三键,但是我们还没学习如何做到这点，因此下面我们就开始进入一个新的主题,它将使我们能够有一定的认识,对于价电子的排布情况，包括可以对任何一个给定分子中的键是单键双键,还是三键作出判断。

麻省理工公开课 - 化学原理课程节选

And this is going to sound like a weird topic, we're going to see why it's of value in a second.

这听起来像个怪异的主题，我们将会去学习一刹那。

麻省理工公开课 - 计算机科学及编程导论课程节选

What I want to do is to provide a state of the art introduction to the most important topic that there is: us.

我所要做的,就是向大家介绍在人文领域里,对最重要主题,也就是对我们人类的研究现状

耶鲁公开课 - 心理学导论课程节选

Control of gene expression is a very big topic and so I'm going to show you one cartoon to sort of tell you that it is a big topic that's really important.

基因表达的调控是个大课题,我给你们放一些动画,好让你们理解,其涉及范围之广,意义之重

耶鲁公开课 - 生物医学工程探索课程节选