An A is worth four points, a B three points, a C two points and a D one point.

VOA: special.2009.03.05

So basically we're saying yes, we can go from point a to point c without ever going through point b.

所以我们说的是我们可以从,ａ点不经过ｂ点而到达ｃ点。

麻省理工公开课 - 化学原理课程节选

a You know that what will happen is that heat will flow from a to b from b to c and from a to c. That's common-sense.

你知道会发生的是热量从流向,从流向,以及从流向。

麻省理工公开课 - 热力学与动力学课程节选

Getting a grade like a B-plus or a C-minus adds or subtracts a few tenths of a point.

VOA: special.2009.03.05

If you want a real world example of this, think about the third Century B.C., someone can correct me afterwards.

现实世界也有这样的例子,大概在公元前三世纪,如果我说错了请大家来纠正

耶鲁公开课 - 博弈论课程节选

Avenue "A" was for assault, "B" was for battery, "C" was for coma and "D" was for death.

VOA: special.2009.04.27

You can tell if you're at all experienced with it very easily, if you go--let's say to the year 900 B.C.

而如果你对此比较熟悉的话很容易看出来,如果你去--假定去公元前九百年

耶鲁公开课 - 古希腊历史简介课程节选

Who was Stanley Kaplan? Did he A) start a test preparation company, B) start the test preparation industry, or C) die last month at age ninety?

VOA: special.2009.09.17

And, at one point in time, he laments the end of the old Latin world and the B.C. world, when people could have these child slaves.

在某一时刻，他为拉丁时代和公元前时代的结束而哀悼，那时人们可以拥有小孩做奴隶。

耶鲁公开课 - 1945年后的美国小说课程节选

Most American colleges and universities use the grading system of A,B,C,D and F.

VOA: special.2009.03.05

So you can think of it, if we were to just think of it as a straight line that we were going across, essentially what we're saying is that we're getting from point a to point c without ever getting through point b.

你们可以来想想看，如我我们把它想成是一条直线,我们要沿着这条线经过，这就是说我们要从ａ点,不经过ｂ点而到ｃ点。

麻省理工公开课 - 化学原理课程节选

They are known as vitamins A, the B group,C,D,E and K.

VOA: special.2009.04.21

It's about 400 B.C.

那是大约公元前400年。

麻省理工公开课 - 固态化学导论课程节选

We visited the studio of B.J.Adams in Washington,D.C.

VOA: special.2009.11.04

Again I should have said first, index 0, the first one. I can similarly go in and say I'd like all the things between index 2 and index 4. And again, remember what a b c that does. Index 2 says start a 0. 1, 2. So a, b, c.

我还是要说一遍，索引为0的元素，是第一个元素，我可以要求返回索引,2和4之前的所有元素，请记住2,是从0开始的,那么0，1，2对应的是。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's called B.C.Street. B.C.,of course, is short for British Colombia, the Canadian province in which Vancouver is located.

VOA: standard.2010.02.23

ABC The A, B, C of psychology.

心理学的。

哈佛公开课 - 幸福课课程节选

Russia,Czech Republic,Slovakia and Latvia in Group B, and Sweden,Finland, Belarus and Germany in Group C.

VOA: standard.2010.01.12

So they began to call this A and this B and this C and this D and this E, this F, this G.

他们开始把这叫做A,B和C,这个是D,E,F,G

耶鲁公开课 - 聆听音乐课程节选

B.C.Street is a group of seven pavilions representing 82 communities throughout British Colombia.

VOA: standard.2010.02.23

I see no Mike Smiths because I'm on page 1 A where the A's simply are so I turn to the B's and the C's S and the D's and so forth and finally I get to the S's but in the worst case I've looked through 1,000 or so pages.

第一页没有找到叫Mike，Smith的人1,因为第一页姓名首字母是,于是我又接着找B，C，D……最终到了字母,但最坏的情况是,我翻了几千页才找到。

哈佛公开课 - 计算机科学课程节选

Balance told VOA that the popularity of B.C.Street has greatly exceeded expectations.

VOA: standard.2010.02.23

So, suppose I tell you to add two vectors, A and B equal to C, and I say, "What's the result of adding A and B?"

假设我告诉你们将两个矢量相加,A + B = C,我问,"A 加 B 结果是什么"

耶鲁公开课 - 基础物理课程节选

Of the blood that has to be destroyed, almost half is caused by the presence of Hepatitis B, Hepatitis C,and syphilis, while the other half is due to problems in the collection process.

VOA: standard.2010.06.04

But if you think of the time span about 900 to 700 B.C., that is, when these changes are taking place.

但是如果你发现它发生在,大约公元前900年到700年之间时

耶鲁公开课 - 古希腊历史简介课程节选

And while he said his booth on B.C.Street was not necessarily an advertisement for tourism, he hopes - like others displaying their regions on B.C.Street at these Olympics it will inspire visitors from around the world to one day visit his community.

VOA: standard.2010.02.23

But now, imagine that we are living in the early years of a polis sometime in the eighth century B.C.

但是,现在想象一下,假如我们生活在公元前八世纪

耶鲁公开课 - 古希腊历史简介课程节选

So let's just compare. Let's compare what C happened in path A to what happened in paths B and C. Yes?

我们比较一下沿,路径A和路径B和,所发生的事有什么不同，什么？

麻省理工公开课 - 热力学与动力学课程节选

The first crowd to do stuff like that, you will find, in the fifth century B.C. In Greece is a movement called the Sophistic Movement.

你们会发现第一批做这种事情的人,是在公元后五世纪的希腊人,当时兴起了一种叫诡辩的运动

耶鲁公开课 - 古希腊历史简介课程节选

I think it's the third Century B.C.

我记得是公元前三世纪

耶鲁公开课 - 博弈论课程节选