But he was also right that it would be the first step toward ending slavery in the United States.

VOA: special.2010.05.10

So in terms of the first step of skeletal structure, this is actually going to be easier because we don't have a central atom, we just have carbon and nitrogen here.

对于第一步画出骨架，其实比刚才更容易,因为我们没有一个中心原子，我们这里只有碳和氮两个原子。

麻省理工公开课 - 化学原理课程节选

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

The first step in pressing the oil from seeds is to crush the seeds between two stones.

VOA: special.2009.09.29

Some of these questions that look very straightforward just naming the geometry, you have to remember to do the first step before you jump in and go ahead with a naming.

有些题目是十分直接的,仅仅是说出几何形状，你们要记住在说出它的形状之前,还有一步工作要做。

麻省理工公开课 - 化学原理课程节选

The civil war in Greece ended. American help for Greece and Turkey was the first step in what became known as the "Truman Doctrine."

VOA: special.2011.08.04

The first step in the process is when I was Deputy WHCF, that I put on the wall a big white board calendar.

程序的第一步是,当我还是办公室副主任，我在墙上安了个,白色的日历板。

普林斯顿公开课 - 国际座谈会课程节选

The primary election in New Hampshire was the first step of the presidential nominating process.

VOA: special.2009.08.30

The first step in the process is to take our plasmid which we've selected, and to insert the gene that we want into it.

这个过程的第一步,是取得我们选择的质粒,把我们需要的基因插入到里面

耶鲁公开课 - 生物医学工程探索课程节选

And Roosevelt's willingness to accept an unbalanced budget would be the first step toward federal budget deficits that would grow steadily in the years to come.

VOA: special.2011.04.07

The first step is divide them in half. All right? I'm not sure how to mark it here, remember I need to come back there. I'm not yet done. What do I do?

我不能确定如何,在这里进行标记,记住我会回这里进行讲解,我还没做完呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

Outline.So the first step in terms of my writing is outline."

VOA: special.2009.10.12

And in terms of thinking about it for organic chemistry or if you're interested in thinking about the mechanism maybe by which it is toxic, a first step would be to draw its Lewis structure.

而为了在有机化学中思考它,或者如果你对它,有毒的机理感兴趣的话，第一步要做的应该就是画出它的路易斯结构。

麻省理工公开课 - 化学原理课程节选

Last December in Copenhagen, the international community took a first step towards making society pay for the services provided by nature for free.

VOA: standard.2010.02.24

the first step in any Lewis structure is drawing the skeletal structure.

画任何路易斯结构第一步,都是先画出它的骨架。

麻省理工公开课 - 化学原理课程节选

Moscow also sees the missile-defense system as the first step in a worldwide American missile-defense program.

VOA: standard.2009.07.15

Now you start a process, a cyclic process, where the first step in the process is denaturing the DNA.

然后你就可以开始一个循环步骤,第一步是使DNA变性

耶鲁公开课 - 生物医学工程探索课程节选

For many of these activists, stopping health care reform is the first step toward defeating Democrats in Congress in November and President Obama in 2012.

VOA: standard.2010.03.18

This was done by Shimomura that was kind of the first step in this process of having it become such a useful tool.

这个工作是由Shimomura完成的,这是它成为一个有用的,工具的过程中的第一步。

麻省理工公开课 - 化学原理课程节选

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

The first step is to take the DNA fragments that we're interested in and put them into this vector by basically cutting open the double stranded DNA and inserting the gene that we like in the region where we've cut.

第一步是把我们感兴趣的DNA片段,整合到这个载体里,基本的方法是切开质粒这个双链DNA,把我们想要的基因插入切开的区域

耶鲁公开课 - 生物医学工程探索课程节选

Britain's new cabinet agreed to cut the pay of all ministers by five percent, the first step in what is to be a major effort to cut Britain's national deficit.

VOA: standard.2010.05.13

That's the first step in the scheduling process.

这只是日程安排程序的,第一步。

普林斯顿公开课 - 国际座谈会课程节选

"The good news from today is that one, he plans to return,two, he could return as early as this year, and three, he clearly has taken the first very visible step in the road to that return.

VOA: standard.2010.02.19

"I think that the proposal that the President made in Geneva to have Iran withdraw its enriched uranium, or a good portion of it, outside Iran is a positive first step in that direction and I support and appreciate the President's ongoing efforts to unite the international community to address the challenge of Iran's attempts to become a nuclear military power,"

VOA: standard.2009.10.30