/2 You can have it equal to plus 1/2, and that's what we call spin up, 1/2 or you can have it equal to minus 1/2, which is what we call spin down.

它可能会等于，我们叫它自选朝上，或者它等于负，我们叫它自旋朝下。

麻省理工公开课 - 化学原理课程节选

Depending on which cell you are you would call one the 'receptor' and the other the 'ligand'.

这取决于你将哪种细胞上的分子,称为受体,哪种称为配体

耶鲁公开课 - 生物医学工程探索课程节选

In a way, this call for that which is new is worldwide; at the same time you have Ezra Pound among the high Modernists in the West saying, "Make it new," as his slogan.

这在一定程度上引起了全球追求新奇的热潮;,在同一历史时期我们还能看到,西方后现代主义诗人埃兹拉·庞德将，让事物新奇起来，是他的口号。

耶鲁公开课 - 文学理论导论课程节选

But Socrates ultimately wants to replace military combat with a new kind of you might call it verbal facility verbal combat in which again the person with the best argument is declared to be victorious.

但苏格拉底最终想要,取代军事战斗的是一种新型的,言辞技能，言辞战斗,最佳辩论者,将被宣布为优胜者。

耶鲁公开课 - 政治哲学导论课程节选

I mean the truth is I'm proud to be part of a movement in which I get to call you a colleague and a friend and a mentor because what you can do here at Princeton with the Faith Council, what college chaplains, what pastors and rabbis what other people in the interfaith organizations we're a movement and we're fighting with each other and we're moving together.

事实上，我很自豪能参与到一项运动中,在这里我能称你为同事或朋友,或导师,因为你在普林斯顿大学,为信仰委员会所做的，大学牧师，基督教及犹太教牧师,以及其他在跨信仰组织中工作的人们,我们在发起运动，我们相互斗争,我们一同前进。

普林斯顿公开课 - 人性课程节选

At any point on the graph you can take the derivative, which will be tangent to the curve at each point, and its numerical value will be what you can call the instantaneous velocity of that point and you can take the derivative over the derivative and call it the acceleration.

在图上的任意一点,你可以进行求导,得到曲线上每一点的切线斜率,所得到的数值,即为该点处的瞬时速度,然后你再求一次导,得出它的加速度

耶鲁公开课 - 基础物理课程节选

It's kind of ironic that we put this in the same lecture as we talk about atomic radii, which we also call r, but they're two different r's, so you need to keep them separated in terms of what you're talking about.

有点讽刺的是,我们在同一堂课里还讨论过了原子半径，它也是用，r，表示的，但是它们具有不同的意义，因此大家需要注意区分它们,弄清楚我们讨论的是哪一个。

麻省理工公开课 - 化学原理课程节选

So what you'll see in problem set 0 or problem set 1 is that you'll soon have access to what we call the CS50 cloud which is a bunch of servers that live on campus and on which you will all have a username and password.

所以你在习题集0或习题集1上看到的,访问“CS50云“,就是一些校园服务器,你可以注册一个用户名和密码。

哈佛公开课 - 计算机科学课程节选