And we know as we go across a row in the periodic table, what's happening is that z effective or the effective pull on the nucleus is increasing.

而我们知道沿着周期表的某一行向右看，有效核电量,或者说原子核的有效引力是在逐渐增大的。

麻省理工公开课 - 化学原理课程节选

And the trick to a puzzle box is there's a simple way to get out but you have to kind of pull on something, some special lever, to make it pop open.

这个谜笼的设计是这样的,只要小猫拉动一个东西,它就能够逃出去，拉动一个特殊的杠杆，迷笼就会打开。

耶鲁公开课 - 心理学导论课程节选

Now I can measure that, because I pull it by one centimeter and I find the acceleration it exerts on a known mass.

现在就能测量这个力了,因为把弹簧拉伸 1 厘米,我就知道它让一个质量已知的物体产生的加速度

耶鲁公开课 - 基础物理课程节选

He had a suitcase that--I don't know exactly, something like this--had a strap that you'd pull it along and it had four little wheels on the bottom and it worked.

他的行李箱。。。我知道的不太确切，应该是这样的，那上面有一条带子,你可以拉着它,而箱子底部有四个小轮子可以使箱子滑动。

耶鲁公开课 - 金融市场课程节选

If you click on that then you pull up the whole article and then you'll have it and you can store it, or just read it and do whatever you wish.

点击之后就可以下载全文,可以把它们保存下来,或者直接在线阅读

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

You cannot tell the mass, because what you are doing now is appealing to the notion of mass as something that's related to the pull of the Earth on the object.

你无法测出质量,因为你现在所做的是把质量,用地球对物体的引力给替代了

耶鲁公开课 - 基础物理课程节选

if people pull you over while you're driving because you're black, this could have a huge effect on how you feel welcome in this society on race relations and so on.

如果你开车时，有人叫你靠边停,因为你是黑人，这能极大的影响,你对这个社会的看法,你对这里的种族关系的看法。

耶鲁公开课 - 心理学导论课程节选

It's not talking about the gravitational pull of the Earth on an object.

没提到地球对物体的引力

耶鲁公开课 - 基础物理课程节选

If you pull the spring, there is a force acting on it.

如果拉这个弹簧,就有力作用在物体上了

耶鲁公开课 - 基础物理课程节选

On the eleventh time, I pull the mass.

第十一次的时候,我把物体拿掉

耶鲁公开课 - 基础物理课程节选