It's a single rotor helicopter powered by batteries made by US Hybrid.

VOA: standard.2010.08.11

The natural laws for Hobbes are not divine commands or ordinances, he says, but they are rules of practical reason figured out by us as the optimal means of securing our well-being.

对霍布斯来说，自然法不是神圣的法令,或者条例，但这些是,我们发现的实践理性的法则,就像一种最佳的方式保护我们的幸福生活。

耶鲁公开课 - 政治哲学导论课程节选

It is something constructed by us.

这是我们建造的。

耶鲁公开课 - 政治哲学导论课程节选

In fact,U.S.and NATO military commanders say insurgent violence rose nearly 60 percent between the first six months of this year, compared to last year the highest level of violence since 2001 when the Taliban government was ousted by US.led forces.

VOA: standard.2009.06.15

The repetition of "breast" links them, makes us see them together, side by side, one on top of the other.

胸脯一词的重复连接了他们，让我们看到圣与人之结合，一起，重叠着。

耶鲁公开课 - 现代诗歌课程节选

It was produced by Caty Weaver. Please join us again next week for THIS IS AMERICA in VOA Special English.

VOA: special.2009.08.17

- So that brings us back to -- it's a feature that will be disabled by tonight, I'm sure.

所以那个带我们回到-,这个特征在今天晚上会被关闭，我确定。

哈佛公开课 - 计算机科学课程节选

Human DNA carries the information that decides our heredity, the characteristics passed on to us by our ancestors.

VOA: special.2010.03.23

These risks spring from the fact that philosophy teaches us and unsettles us by confronting us with what we already know.

这风险源自于以下事实,即哲学就是让我们面对自己熟知的事物,然后引导并动摇我们原有的认知。

耶鲁公开课 - 公正课程节选

But I do not recognize the right to waste them, nor to rob -- by wasteful use -- the generations that come after us."

VOA: special.2010.08.12

Of course, we could perhaps deal with that problem by making us more rat-like in terms of our thinking processes.

当然也许可以解决那个问题,只要我们像老鼠一样思维。

耶鲁公开课 - 死亡课程节选

Mario Ritter tells us about several graduation speeches given last month by some very famous speakers.

VOA: special.2009.06.05

That's another invention of the 1600s, by the way-- the thermometer. And they learned that concept-- perfectly natural to us--temperature.

顺便说一下,温度计也是十七世纪的发明,那时候的人才刚刚开始理解温度的概念,虽然对我们来说这是个很自然的概念

耶鲁公开课 - 金融市场课程节选

By these recent successes, we have had pressed more closely upon us the question of reconstruction.

VOA: special.2009.12.31

It's going to let us bury away the specifics of something, and treat that computation like a black box. And by black box, I mean, literally behaves like a mysterious little black box.

通过抽象我们可以将一些细节,掩埋起来并将这一段计算当成黑盒,说到黑盒我的意思就是,字面上的像一个神秘的小黑盒。

麻省理工公开课 - 计算机科学及编程导论课程节选

"By twenty twenty-five, we expect new spacecraft designed for long journeys to allow us to begin the first-ever crewed missions beyond the moon into deep space.

VOA: special.2011.07.18

Just by comparison, official US government aid for developing countries, is currently 16 billion dollars.

相比之下，美国政府,对发展中国家的官方资助是160亿美元。

普林斯顿公开课 - 人性课程节选

"Their problem was, what do you give us by way of carry-away salaries?

VOA: special.2011.02.24

So, for instance, this would suggest to us by the way it's written that the hydrogen is attached to the nitrogen and not the oxygen.

因此，比如，这样的写法会提醒我们,这个氢原子是与氮原子成键的，而不是氧。

麻省理工公开课 - 化学原理课程节选

And that's the VOA special English development report written by June Simms, tell us about the situation of women where you are and will there be a local celebration of International Women's Day?

VOA: special.2010.03.08

Where am I to get meat to give to all this people, when they whine before me and say, 'Give us meat to eat!' I cannot carry all this people by myself, for it is too much for me.

我从哪里得到肉给他们吃呢？,当他们都在我面前哭号，‘给我肉吃’,我无法独自管理这些人，这负担对我来说太沉重了。

耶鲁公开课 - 旧约导论课程节选

"My father left my family when I was two years old, and I was raised by a single mother who struggled at times to pay the bills and wasn't always able to give us things the other kids had.

VOA: special.2009.09.10

By the logic of the Sherif it will bring us all together as a group.

根据谢里夫的观点，这个方法能让我们,团结起来。

耶鲁公开课 - 心理学导论课程节选

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

One of the things, by the way, that Eikhenbaum does in passing is remind us that we should be on our guard against thinking that sound is onomatopoetic--that is, that it reflects the meaning of what it's talking about.

艾肯鲍姆在书中提到,他特别提醒我们,不应该赞同拟声现象，拟声就是认为声音能反应它所表达的意思。

耶鲁公开课 - 文学理论导论课程节选

"History has shown us that one of the most effective ways to defeat terror is by enhancing our basic freedoms.

VOA: standard.2009.03.11

They cancel each other out. So, you know, The frontal of the fighting has been borned by the US, the UK, Canada, France, Holand and Denmark.

他们相互抵消了，前线战争是由,美国，英国，加拿大，法国，荷兰，丹麦。

普林斯顿公开课 - 国际座谈会课程节选

Those of us who knew him and knew him well are the ones who were blessed by his life."

VOA: standard.2010.06.05

As Dero says, " "soul grows more by subtraction than by addition", by getting rid of these limitations, limitations that are preventing us from fulfilling our potential.

就像俗话说的那样，“做减法比做加法让灵魂成长得更快，减法包括除去那些，阻碍我们发挥潜能的限制。

哈佛公开课 - 幸福课课程节选

We're cloning a gene of interest to us by sort of hijacking that biological mechanism by putting our gene on this plasmid and so our gene gets copied many times, as the plasmid gets copied many times.

我们克隆感兴趣的基因的做法,这个生物机制有点像是绑架,我们把基因绑在质粒身上,随着质粒被多次地复制,我们的基因也一起被多次复制

耶鲁公开课 - 生物医学工程探索课程节选