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

So these devices, when I was a youngster, were colloquially known as "atom smashers", because they have the capacity to actually break these and have them reform.

这些设备，当我还年轻的时候，它们在口语中被叫做核粒子加速器，因为它们有能力,将这些破碎并重新形成。

麻省理工公开课 - 固态化学导论课程节选

So in order to rotate a double bond, you have to actually break the pi bond, so essentially what you're doing is breaking the double bond.

为了能够旋转双键，你必须打破一个π键，本质上我们要做的就是打破双键。

麻省理工公开课 - 化学原理课程节选

That's a high casualty rate and many a military unit will break if they have that many casualties.

这个比率相当高,在如此之高的伤亡率下,许多军事单位会因此而瓦解

耶鲁公开课 - 古希腊历史简介课程节选

And you know, you could have a reversible engine with lots and lots of steps, but you could always break them down into some sequence of adiabatic and isothermal steps.

你们知道，我们可以设计一个由，很多很多个,循环步骤的热机，但是总可以把它分割成,一系列的绝热,和等温过程。

麻省理工公开课 - 热力学与动力学课程节选

Here we have arrived at a second sharp break with the general experience of mankind.

于是就产生了第二次,人类一般经验的大变革

耶鲁公开课 - 古希腊历史简介课程节选