The tests are the first step in human clinical trials of two vaccine candidates developed at the University of Cape Town.

VOA: special.2009.07.29

So, what we do as our seventh step is then figure out if we have any extra valence electrons left at all.

那么，第七步要做的是看看,我们还有没有剩下的价电子。

麻省理工公开课 - 化学原理课程节选

I mean also studies, of course, and your senior essay, but it's, they are looking at the next step.

我是说当然还有学习，还有四年级的论文，但是他们看的是将来。

来自西班牙的留学生 - SpeakingMax英语口语达人

At the same time he heard, or imagined he heard,a light, soft step and then another.

VOA: special.2009.10.31

And I'm going to show you an example in a 1 second, just to drive this home, but notice the characteristics. In the first two cases, the problem reduced by 1 at each step.

在前面两个例子里,每一部问题的规模缩小了,不管是迭代的还是递归的，这表明这个问题的复杂性可能是线性的。

麻省理工公开课 - 计算机科学及编程导论课程节选

Doctor Anthony Fauci at N.I.H.called the findings an important step forward.

VOA: special.2009.09.30

But now at least we're a step closer to doing something that's a little bit more compelling, but this isn't always a good thing.

但是现在至少是,向更引人入胜的代码靠近了一步，但这并不总是好事。

哈佛公开课 - 计算机科学课程节选

The boy was unsteady at his first step.

VOA: special.2010.05.15

We'd step back and look at the calendar and say are we living up to that, mandate to us to put the president to focus on these things.

我们会纵观整个日历,看看我们是不是做到了，是不是让总统,都集中处理这些事。

普林斯顿公开课 - 国际座谈会课程节选

And the program includes a microfinance grant, money that she has actually made by selling us beads that she gets at one time, so that she can make a big enough step into a business that is going to be sustainable."

VOA: special.2010.06.28

We'll do that but let's go one step at a time.

我们会这么做,但还是让我们先一步步来

耶鲁公开课 - 博弈论课程节选

To get at these non-mutating parts of the virus, Nabel and his colleagues used a two-step vaccination process, called "prime-boost."

VOA: standard.2010.07.21

You also do walking meditation, you can do mantra meditation, you can do all sorts of meditations that can be seen as a step towards maintaining the state of mindfulness at all points of your daily life, which is impossible unless you're a monk for a very long time.

还有行禅，曼怛罗冥想，你可以进行各种冥想修行,都可被视为正迈向,在日常生活的每时每刻,保持警醒，这几乎不可能实现,除非你是修行多年的僧侣。

普林斯顿公开课 - 人性课程节选

The pact is a modest but important step forward, according to Kingston Reif, at the Washington-based Center For Arms Control and Non-Proliferation.

VOA: standard.2010.04.04

They come so instinctively and easily it's difficult, and sort of unnatural, to step back and explore them scientifically but if we're going to be scientists and look at the mind from a scientific perspective we have to get a sort of distance from ourselves and ask questions that other people would not normally think to ask.

他们来得如此本能，容易,这是困难的，有某种超自然韵味，退后，从科学角度研究他们,但如果我们打算成为科学家,从科学角度,看待心理,我们需同我们自身保持某种距离,问问题,问其他人通常不想问的。

耶鲁公开课 - 心理学导论课程节选

"When we look at counterinsurgency the first and critical step is to separate the enemy from the people,"

VOA: standard.2009.12.08

Once you're doing this on your own, -- especially, for example, on exam 2, which is a ways down the road, you won't be able to look at those steps, so you need to make sure that you can go through them without looking at them, but for now we can look at them as we are actually learning how to draw the Lewis structures, and rather just go through them step-by-step, it's more interesting to do it with an example.

每当你要画一个路易斯结构的时候，特别是，比如，在第二次考试中，在不远的将来，你将看不到这张表，因此你需要确保自己在不看这张表,的情况下也能按照上面的流程来画，但是目前我们是可以看着这张表,来学习如何画路易斯结构的，而相比于一步一步地讲，通过例子来演示一下会更有意思。

麻省理工公开课 - 化学原理课程节选

He said Americans now facing grave problems need to work together, tap their inner resolve, and seek progress one step at a time.

VOA: standard.2010.01.17

So let's just look step by step at what happens.

让我们一步步来看。

麻省理工公开课 - 热力学与动力学课程节选

"And that impacts political relations at some point. Accepting Turkish leadership is just one step too far."

VOA: standard.2010.07.26

Well let's take a step back for a minute; that's one way of looking at Biomedical Engineering, by looking at sort of the things that you know about that have been the result of the work of biomedical engineers and talk more generally.

好的,话说回来,了解生物医学工程的一种方法就是,通过看一些你们熟悉的东西,它们同时也是,生物医学工程的研究成果,并对它们做一般意义上的讲解

耶鲁公开课 - 生物医学工程探索课程节选

this is a NATO mission as well." "And we are working actively and diligently to consult with NATO at every step of the way."

VOA: standard.2009.09.29

And then at the end of the process I have another whole step from B-flat back to C, and that gets me back to my octave in that fashion.

最后一步,从降B回到C是一个全音级,然后完成了整个八度

耶鲁公开课 - 聆听音乐课程节选

The Thai government said it will step up security at the summit later this month.

VOA: standard.2009.10.09

So halfway is the right thing to do, because at each step, I'm guaranteed to throw away at least half the list. Right? And that's nice.

一半以上的元素，对不对？，这很棒，好，大家猜猜这个算法的增长率是多少？,为什么？太对了。

麻省理工公开课 - 计算机科学及编程导论课程节选

One observer,Akiva Eldar, a senior columnist at the Haaretz newspaper in Tel Aviv, sees no movement unless one of the sides takes the first step.

VOA: standard.2009.11.16

So writing a program at least in this language is a two-step process.

用这种语言写一个至少需要,两步完成的小程序。

哈佛公开课 - 计算机科学课程节选

Protesters at the September rally were calling on Captain Camara to step down.

VOA: standard.2009.10.16

Second thing we've got to worry about is, what's a basic step? All right, if I bury a whole lot of computation inside of something, I can say, wow, this program, you know, runs in one step. Unfortunately, that one step calls the Oracle at Delphi and gets an answer back. Maybe not quite what you want.

我们需要担心的第二件事情就是，什么该作为一个基本的步骤呢？,如果我把一大堆的计算过程放到里面，我可以说，噢，这个程序你知道的，一步就完成了，不幸的是,这一步可能要靠预言家才能得到答案,这可能跟你想要的结果不太相同吧。

麻省理工公开课 - 计算机科学及编程导论课程节选

Yes, it stops at the first step, right? Let's look at it.

对的，程序会，在第一步就停止了。

麻省理工公开课 - 计算机科学及编程导论课程节选