A force known as the Army of the West used the Santa Fe Trail to protect American traders.

VOA: special.2009.03.30

You apply a force and the material will resist it until you have a force great enough to break the bonds.

如何你对它施加一个外力，材料能够承受,除非这个外力足够强大去打破键。

麻省理工公开课 - 固态化学导论课程节选

Every force, with one exception, can be seen as a force due to direct contact with the body.

除了一个例外,其它所有力必须要和物体有直接接触

耶鲁公开课 - 基础物理课程节选

All his movements were made against a force that could reach six times the power of gravity.

VOA: special.2010.07.07

So despite their newfound mortality, humans are going to be a force to be reckoned with.

所以，尽管人类对死亡很陌生,但它不容忽视。

耶鲁公开课 - 旧约导论课程节选

The governor of Minnesota sent a force of state soldiers to stop the Indian revolt.

VOA: special.2010.04.01

There's the hard sphere. It wants to collide against the wall to create a force on the wall, and I have a couple of the hard spheres that are nearby, right, and in the absence of any interactions, I get a certain pressure.

给墙一个作用力,现在它的附近，还有许多小球,没有相互作用时,它将直接冲向这面墙。

麻省理工公开课 - 热力学与动力学课程节选

He organized a force of horse soldiers known as the "Rough Riders."

VOA: special.2010.08.05

And, if you ever get confused, the way to remember these is that you know energy is the integral of a force moving through a distance.

如果你感到很困惑的话，可以这么来记,能量是在沿力的方向进行路径积分。

麻省理工公开课 - 固态化学导论课程节选

Right away, they faced a force of eight thousand Confederate soldiers.

VOA: special.2009.11.19

They pour with such a force, I think, that Milton permits - I think this is a significant rift that fissures or fractures the otherwise seamless text that we have in Book Two.

他们的出现是这样的有力与突然，我认为这是弥尔顿允许的,我认为这是一个极有价值的裂痕,这些裂痕持续地在我们读到的第一册书中出现。

耶鲁公开课 - 弥尔顿课程节选

Neither side was left with a force strong enough to fight.

VOA: special.2010.07.08

So, if we think about the force that occurs between a positively and a negatively charged particle, what we have is essentially a Coulomb force, so we can describe this as a force of attraction.

一个带负电的粒子之间，的作用力,这本质上就是库伦力，我们可以把它，描述成一个引力。

麻省理工公开课 - 化学原理课程节选

It came from three words. Dynamic,meaning a force.

VOA: special.2010.05.30

Familiarity is itself a desire for liking, a force for liking.

熟悉是一股喜欢的渴望和力量。

耶鲁公开课 - 心理学导论课程节选

David Hawkings said the victory shows that the Tea Party is a force to be reckoned with.

VOA: standard.2010.05.19

Are we going to be a force for change? Be deliberate?

是成为推动改变的力量？深思熟虑？

哈佛公开课 - 幸福课课程节选

He says they represent a force which opposes what is happening inside Iraq.

VOA: standard.2009.10.26

It's a material force that his rhetoric challenges and relies on, gives him a means of getting off the ground, and a means of always getting back to it, too.

这是他的修辞所挑战的并且依赖的物质力量，这种力量给他离开地面的方法，也给他回到地面的方法。

耶鲁公开课 - 现代诗歌课程节选

"Pakistan is a nation which could either serve as a force for stability and progress in a volatile region, or it could become the epicenter for radicalism and violence on a cataclysmic scale,".

VOA: standard.2009.05.04

It's a powerful force that goes behind the scene and I hope we can draw that out in this course.

它是一种潜藏在暗处的强大力量,希望通过此课可以窥得其冰山一角

耶鲁公开课 - 金融市场课程节选

The representative from the Pacific island nation of Tuvalu made an emotional appeal for a treaty with legal force.

VOA: special.2010.01.19

But it's those kinds of questions that, there's a little bit of spark, there's a little bit of a powerful force and there's just a lot of hard work to get from here to there.

但是问题是，那时候已经产生了一些火花，一些外在动力,只不过达成目标还需要大量的艰苦工作。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

Woodstock is described as a moment when the news media first recognized music and entertainment as a cultural and commercial force.

VOA: special.2009.08.10

Now, what we saw last time is there's a brute force solution.

现在，我们上次,看过穷举法解决方案。

麻省理工公开课 - 计算机科学及编程导论课程节选

The city fell. After capturing Atlanta, General Sherman fought a series of small battles with a Confederate force across northern Georgia.

VOA: special.2009.12.03

The great discovery that Galileo and Newton made is that you don't need a force for a body to move at constant velocity.

伽利略和牛顿的伟大发现就是,物体不需要力来维持匀速运动

耶鲁公开课 - 基础物理课程节选

The anger of the many educated but unemployed young people has been a driving force in the Arab Spring movement.

VOA: special.2011.05.27

Now let's do the next step which is a force balance.

现在我们进行下一步，假设。

麻省理工公开课 - 固态化学导论课程节选

It's very clear you don't need a force if something is doing nothing, just sitting there.

显而易见,如果物体没有运动,只是静止状态,那是不需要力的

耶鲁公开课 - 基础物理课程节选