The meetings used to be held about once every two years.

VOA: special.2009.06.03

There will always he suggests appear to be something ad hoc about the methods used in the study of politics.

主题允许多少精准性？我们如何得知,事情总有，他也提到,总有一些事是特别的。

耶鲁公开课 - 政治哲学导论课程节选

Another really interesting thing about here is it used to be a Roman cemetery.

还有一件很有趣的事情，这里曾是一个罗马墓地。

有各种不同的魅力 - SpeakingMax英语口语达人

The Interlife partnership is now able to offer a kidney transplant and follow-up treatment for around $4,550 - about half of what it used to be.

VOA: standard.2010.05.30

I don't--I could describe you and start to think about you not as a person and language can be used for this.

我可以把你描述成，或想象成,不是一个人，而我可以利用语言做到这点。

耶鲁公开课 - 心理学导论课程节选

There's also a distant psychological relationship with it because we just aren't as concerned as people used to be about where it came from.

心理上的感觉也变得疏远,我们不像以前的人那样,关心食品源自何方

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Humoral comes from the term humours and it used to be that we thought about disease as being caused by the balance of humours in our blood.

体液一词来源于体液学说,过去认为疾病的产生,与血中的体液平衡有关

耶鲁公开课 - 生物医学工程探索课程节选

So "I was" will be used to talk about anything that you're referring to that's behind you.

所以，“I was” 会被用来谈论那些你曾经做过的事情。

I was 课堂 - SpeakingMax英语口语达人

As we'll talk about later in the class, the biodiversity has shrunk so what used to be hundreds of varieties of corn is now just a few.

像我们后面所要提到的,玉米种群的生物多样性已经从曾经的,几百种减少到了现在的几种

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

That used to be the way that we thought about it.

那是我们过去对这个机制的认识

耶鲁公开课 - 生物医学工程探索课程节选

We have techniques of recombinant DNA, and those can be used to produce either modified viruses, we'll talk about that.

我们拥有重组DNA技术,它可以用来生产任一种减毒病毒,这个以后会再讲

耶鲁公开课 - 生物医学工程探索课程节选

Okay. So again, let's talk about what food used to be and what it is now.

好的,我们将要,再次谈到食品的过去和现在

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So, this is an immune response that doesn't have to be activated and we're used to thinking about immune responses that have to be activated.

所以 这是一种不必激活的免疫反应,我们曾认为免疫反应都需要激活

耶鲁公开课 - 生物医学工程探索课程节选

As I'll explain later in class, in Florida there used to be many, many, many varieties of oranges and now there are about four and there are commercials reasons for this occurring.

稍后我会详细解释,在佛罗里达州曾经有很多种类的橙子,而现在那里大概仅剩四种,这一切的发生归咎于商业上的原因

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

We're used to thinking about sound being tranduced; being converted by acoustic waves into electrical signals that can be recognized by your iPods.

我们想想声音信号的转换过程,声音由声波转化为电子信号,你的iPod能够识别这种信号

耶鲁公开课 - 生物医学工程探索课程节选

If you think about what ancient food gathering habits used to be like, you see things like this where people are out gathering food that is growing naturally, and you can think about what would-- what sort of conditions this would create and what kind of hardships it would create.

如果你想知道古代食物采集的习惯,请看这张图,人类都在野外采集自然生长的食物,你可以设想到,条件有多恶劣,生存有多艰难

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Before we talk about how to do it-- and we don't have perfect ways to do it yet but I'll describe some of the ways that are used, I want to talk just briefly on this slide about what the goals for gene therapy might be.

在讲具体怎么做之前--,现在还没有任何一种方法是完美的,但我还是要讲讲一些已经应用的方法,我借助这张幻灯片简要介绍一下,基因治疗的可能目标

耶鲁公开课 - 生物医学工程探索课程节选