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, the first thing we do is put two electrons between h and c, and then two electrons between c and n.

那么，我们先在氢和碳之间放两个电子，然后在碳和氮之间再放两个电子。

麻省理工公开课 - 化学原理课程节选

In Scratch, the block you may have used for this idea literally says "or" for or; in C, two vertical bars.

在Scratch中，这个你用的程序块,照字面地想法来说“or“表示或者;,在C语言中，是两个竖线。

哈佛公开课 - 计算机科学课程节选

We would like to hear from you. Write to us at Special English, Voice of America, Washington,D.C., two-zero-two-three-seven,U.S.A.

VOA: special.2009.03.10

Each firm is going to produce a - c over 3b and there are two such firms.

每家公司的产量是/3b,而且市场中有两家公司

耶鲁公开课 - 博弈论课程节选

Two other reports will study the C.R.U.itself and explore possible violation of Britain's freedom of information laws.

VOA: special.2010.04.27

It's obvious that the bottom line of my two-day trip is this object C.

显然我两天的行程结果就是这个矢量 C

耶鲁公开课 - 基础物理课程节选

"By two thousand and twenty, C.O.P.D.will likely be the third leading cause of death across the world."

VOA: special.2009.06.23

GCC hello c So you see two similarities between the first version, GCC hello.c, and the second version but obviously I've just added which part for that second line.

你将会在第一个版本,和第二个版本GCC，-o，hello，hello，c之间，看到两点相似之处,很显然我们在第二个版本的第二行添加了一些东西。

哈佛公开课 - 计算机科学课程节选

Walking tops the list. A two thousand six report from the C.D.C.found that more than seventy-nine million Americans walk to stay physically fit.

VOA: special.2010.06.08

This two is from that obfuscated C contest so this is not where we're going but this is where some people choose to go.

这个就是那个很混乱的C语言比赛,这并不是我们要去的比赛，你们可以根据爱好决定参不参加。

哈佛公开课 - 计算机科学课程节选

Population estimates from two thousand seven show more than five hundred eighty-eight thousand people living within D.C.borders.

VOA: special.2009.03.20

So input is an int called F, print out to the screen or your piece of paper the value of C. Odds are you only need two, maybe three lines of code for this, but the goal ultimately will be try it on your own.

所以输入是一个int类型的F，在你的屏幕上,或你们的纸上打印出C的数值,可能你们需要两行或者三行的代码,但是最终的目标需要你自己独自尝试。

哈佛公开课 - 计算机科学课程节选

At the end of recording every day, she says she had something wonderful to look forward to C being with her two infant sons.

VOA: special.2009.04.24

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

The storm gave two airports in the Washington,D.C.area their highest one-day snowfall totals for December.

VOA: special.2010.01.05

But what looks like this orange block as of now in Scratch, add orange to your so called inventory, well, it's gonna take at least two lines of code in C to actually create the inventory array with this first line and then put something like the word orange inside of it.

就好比Scratch里面橘色的这一块，把“桔子“加到所谓的“清单“里面去,在C语言中至少需要两行代码来实现,第一行代码创建一个货单数组,第二行就需要把“桔子“放进去。

哈佛公开课 - 计算机科学课程节选

In Washington,D.C.,alone two theaters perform the plays of Shakespeare and other writers of his time.

VOA: special.2010.01.13

So if I produce one unit it costs me c; if I produce two units it costs me 2c; if I produce 100 units, it'll cost me 100c and if I produce 0.735 units that costs me 0.735c.

生产1单位的产品成本是c,如果生产2单位成本就是2c,如果我生产100单位成本就是100c,如果生产0.735单位就是0.735c

耶鲁公开课 - 博弈论课程节选

Another principle supports competition. This week,in a speech, F.C.C.Chairman Julius Genachowski proposed two more.

VOA: special.2009.09.25

Just to remind those people who are not Economics Majors what that means, it means if I produce 1 unit then it costs me C to produce, if I produce two units it costs me 2C, 100 units a 100C and so on.

顺便提示一下那些,非经济专业的同学这表示什么意思,它表示生产1单位产品需要消耗C成本,如果生产2单位,需要的成本是2C,100单位需要100C,以此类推

耶鲁公开课 - 博弈论课程节选

Write to us at Special English, Voice of America,Washington,D-C, two-zero-two-three-seven,U-S-A.

VOA: special.2010.01.12

In two thousand six, medical experts gathered near Washington,D.C.

VOA: special.2009.04.21

Or write to American Mosaic, VOA Special English, Washington,D.C.,two-zero-two-three-seven,U.S.A.

VOA: special.2009.04.24

Today we visit two art exhibits in Washington,D.C.

VOA: special.2009.03.23

D.C.United won the first two M.L.S.championships.

VOA: special.2010.06.02