Darwin had been working on his theory for over twenty years when he published " On the Origin of Species."

VOA: special.2009.12.01

Somebody say it real loud. Yes, the system is working on the surroundings, right? It's pushing out against them.

有人很大声的回答了，对，系统在对外做功，他把外界向外推开。

麻省理工公开课 - 热力学与动力学课程节选

Everyone is, you know, kind of always working or worried about what they're going to be working on next.

每个人都在埋头工作，而且都在担忧接下来要干些什么。

气泡项目 - SpeakingMax英语口语达人

The building's Web site says that as many as twelve thousand people were working on the building at the same time.

VOA: special.2010.03.31

But what I thought I'd do is draw your attention to another little project that the course has been working on.

但我觉得我应该做的是引起你们对,本课程中另一个小项目的注意。

哈佛公开课 - 计算机科学课程节选

I did not want them to be difficult or to get in my hair while I was working on the computer.

VOA: special.2009.05.03

Where have we implemented a greedy algorithm, or have been asked to do a greedy algorithm? Well, there are not that many things you guys have been working on this semester.

现在你已经实施了一个贪婪算法,我们在哪里实施了贪婪算法,或者我们那里被要求实施贪婪算法呢？,们这学期不需要用什么功对吧？

麻省理工公开课 - 计算机科学及编程导论课程节选

This time,it happened while he was working on a railroad with men who did rough work and looked rough.

VOA: special.2010.08.01

But it's always minding that team dynamic because at the end of the day, we're just a group of people working on one single goal If we can't step in a cohesive coordinative fashion, then we're going to trip all over the place.

但是团队动态需要始终放在心上,因为当这一阶段结束后，我们就会成为一群人在为同一个目标奋斗,如果我们不能成为一个相互协调相互统一的整体，那我们就会东扑西扑。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

Yet businesses are working on machines that can produce tissue and organs a lot like a photocopier copies documents.

VOA: special.2010.10.19

They have been working on improving their methods and they're trying to create divisions within their organizations that prevent the moral hazard from happening.

他们已经对技术进行改进,并且他们正尝试,在机构中划分部门,以便防范道德风险的发生

耶鲁公开课 - 金融市场课程节选

She says donors are pumping in a lot of resources and civil society groups are working on access to education.

VOA: special.2010.05.20

And at the end of the track you notice five workers working on the track.

突然发现在轨道的尽头,有五名工人正在施工。

耶鲁公开课 - 公正课程节选

Reports from Hollywood, California say that several actors, writers and producers are working on a movie version of "Atlas Shrugged."

VOA: special.2010.06.06

So, again, all together, this is the basis for modern chemistry, and examples I just gave you, are some of the things that modern chemists are working on -- some of the issues that our country faces and our world faces, and how chemistry is involved in that.

所以说,所有的这些就是现代化学最基本的基础，我刚给你们介绍的例子,都是现代化学正在研究的东西,一些我们国家和全世界面临的问题，以及它们和化学的关系。

麻省理工公开课 - 化学原理课程节选

The American Bar Association's Committee on Judicial Independence is working on guidelines for when judges should recuse themselves.

VOA: special.2009.06.12

Here you are, you're working for Mckinsey, you've been hired by Joe Smith and Ann blogs to figure out their strategy, working on a problem in a team on working on my homework assignments.

你是在为麦肯锡工作,你被乔史密斯和安博客录用,帮他们寻找合理策略,或者在学习小组里一起做作业

耶鲁公开课 - 博弈论课程节选

Scientists are also working on other plants that either use less water or use it better, or both.

VOA: special.2009.01.20

It's the last movement that he was working on, but he has a student there, Franz Xaver Suessmayr, and Suessmayr was given instructions and probably sketch pages as to how to finish this.

这是他创作的最后一个乐章,但是莫扎特有一个学生,弗朗兹·克萨韦尔·苏斯迈尔,苏斯迈尔得到了指示,或许还有草稿,把它完成了

耶鲁公开课 - 聆听音乐课程节选

While the exhibit is going on, Tucker will be working on his latest work, the White House where the American president lives.

VOA: special.2010.07.30

And the challenge for scheduling is to pick the things that you want the president to be working on and the president wants to be focusing on proactively rather than just reacting to whatever the crisis on the day was.

安排日程的难处在于,选择事情,选择你要让总统去做,选择总统需要积极投入,而不仅仅是消极回应的,每天发生的大事情。

普林斯顿公开课 - 国际座谈会课程节选

They plan to continue working on it until the end of October when it will be taken apart.

VOA: special.2010.08.13

And right now, you know, we are working on a paper together which is helping me out a lot.

现在我们正一起写一篇论文，他的参与真的给我带来了很大帮助。

有印象的教授 - SpeakingMax英语口语达人

Now,researchers with the Rehabilitation Institute of Chicago are working on another method called TMR, or targeted muscle reinnervation.

VOA: special.2009.03.10

Particularly the black churches have got great, great musicians working on a salary basis for the church.

尤其是在黑人教堂，那儿有很棒的音乐家，为教堂带薪工作。

作为一名音乐家 - SpeakingMax英语口语达人

The Basel Committee on Banking Supervision has been working on a set of recommendations known as Basel Three.

VOA: special.2010.09.17

It's rather than working on isolating the parts and trying make one part of your body big,

这不是单独练习各个部分，试图把某一部分的肌肉练得很大，

要拥有好身材 - SpeakingMax英语口语达人

While scientists were studying the stars and moon to solve the longitude problem, a man named John Harrison was working on another project.

VOA: special.2010.07.14

the Ministry of, or the Department of Housing and Urban Development working on... various issues that way.

住房和城市发展部，研究……各种不同的问题。

肯尼迪学校 - SpeakingMax英语口语达人

And scientists have been working on this for years and there's been progress, but it's still a very difficult challenge.

科学家们对此已经研究很久了,并取得了进展,但仍有很大挑战

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选