The American Food and Drug Administration says R.F.I.D.tags act like an electronic safety net to make it easier to catch counterfeits.

VOA: special.2010.03.01

It refers solely to trees, and Vallombrosa is the place "where th' Etrurian shades / high overarch't imbow'r."

这个比喻指的就是树木，地点是瓦隆布罗萨,“在瓦隆布罗萨，厄特鲁利亚的光辉逐渐暗淡“

耶鲁公开课 - 弥尔顿课程节选

P dV is equal to R dT. pV = RT for 1 mole, pdV=RdT so I just take dV here.

对等压过程，那么。

麻省理工公开课 - 热力学与动力学课程节选

That was the song "Discoverer." Like many R.E.M.songs, this one is poetic with a meaning that is not always clear.

VOA: special.2011.03.18

So if we want to talk about the volume of that, we just talk about the surface area, which is 4 pi r squared, and we multiply that by the thickness d r.

如果我们要讨论它的体积，我们要用的是表面面积，也就是４πｒ的平方，乘以厚度ｄｒ

麻省理工公开课 - 化学原理课程节选

Sakena Yacoobi has received many awards, including this year's two hundred fifty thousand dollar Henry R.Kravis Prize in Leadership.

VOA: special.2009.06.15

And so, you know from your Newtonian mechanics, as you were learning in 8.01, the dynamic force here mv^2/r is mv squared over r.

在8。01节对牛顿动力学系统的学习中，我们可以知道这里的运动受力,就是。

麻省理工公开课 - 固态化学导论课程节选

The committee report was the first of three planned to deal with the release of the C.R.U.'s private e-mails on the Internet.

VOA: special.2010.04.27

Muscovy had already conquered the Volga basin in the 16th century, where the nomadic Tatars were, T-A-T-A-R-S.

6世纪时莫斯科公国已经征服了伏尔加盆地,游牧鞑靼民族住的地方

耶鲁公开课 - 欧洲文明课程节选

Other top artists included the country duo Sugarland,R&B singer Mary J.Blige, the nineteen eighties band The Bangles and Mexican-American artist Jenni Rivera.

VOA: special.2010.08.02

This is the initial part of the simile that describes the leaves: "thick as Autumnal Leaves that strow the Brooks / in Vallombrosa, where th' Etrurian shades / high overarch't imbow'r."

这是描写落叶的比喻的开始部分：,“他们人数众多，稠密得像秋天的繁叶,/在瓦隆布罗萨，厄特鲁利亚的光辉逐渐暗淡“

耶鲁公开课 - 弥尔顿课程节选

We talked with Jamaica Corker, on her cell phone, at the Population Services International office in the D.R.C.

VOA: special.2010.05.03

And in fact, an example of a methodological attempt was done by Henry Gleitman at University of Pennsylvania, who built a tickle machine, which was this box with these two giant hands that went "r-r-r-r."

实际上,宾夕法尼亚大学的亨利·葛雷曼,曾经进行过研究方法上的尝试,他发明了一台挠痒痒的机器,这是一个装有两只大手的箱子,双手会不停的去挠痒痒

耶鲁公开课 - 心理学导论课程节选

She says M.R.Robinson saw an imbalance between recognition of success in sports and of that in the arts.

VOA: special.2011.05.27

If they quote the rate on the mortgage, call that r Traditionally you would be paying monthly.

如果给定贷款利率,记为r,通常你是每月还款

耶鲁公开课 - 金融市场课程节选

The C.R.U.became the object of widespread attention shortly before an international climate conference opened in Denmark last December.

VOA: special.2010.04.27

There's also this backslash R. Anyone know what backslash R is?

这还有\r，谁知道\r代表什么？

哈佛公开课 - 计算机科学课程节选

The report said information requests by scientists not connected with the Climatic Research Unit, the C.R.U.,were continually rejected.

VOA: special.2010.04.27

I'm going to just put that in, and it's the cosine of the number times i plus sine of the number times j times R.

我要在式子加入这个量,这个式子就等于这个值的余弦乘以 i,加上这个值的正弦乘以 j 再乘以常数 R

耶鲁公开课 - 基础物理课程节选

The only evidence was cut into a tree and a fence: the letters C-R-O and the word Croatoan,C-R-O-A-T-O-A-N.

VOA: special.2009.08.17

R/Cv OK, so that means that this is really instead of -1 R over Cv. it's really gamma minus one.

现在,变成了γ

麻省理工公开课 - 热力学与动力学课程节选

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

And we can simplify this expression as saying negative e squared over 4 pi, epsilon nought r squared. Epsilon nought is a constant, it's something you might see in physics as well.

也会遇到它,在这里，你可以就把它,理解为一个转换系数,我们需要做的。

麻省理工公开课 - 化学原理课程节选

Critics also noted an e-mail written more than ten years ago by Professor Jones of the C.R.U.

VOA: special.2010.01.19

So instead of v bar, we write p v bar minus b, equal r t.

现在考虑，这些气体分子之间。

麻省理工公开课 - 热力学与动力学课程节选

This concert hall was owned by an organization called the Daughters of the American Revolution, or D.A.R.

VOA: special.2009.01.25

We take this Cv and put in the exponent here R right. And we put this R up in the exponent here.

我们把这个Cv提出来,放在这里的指数上，好吧？然后把。

麻省理工公开课 - 热力学与动力学课程节选

I put Helen's hand under the cool water and formed the word w-a-t-e-r in her other hand.

VOA: special.2009.11.08

And orbiting around this is a lone electron out at some distance r.

有一个单电子,在环原子核的轨道上运行。

麻省理工公开课 - 固态化学导论课程节选

Some languages like English has a-- have a distinction between 'l' and 'r.' Other languages do not.

某些语言,如英语,在"l"和"r"之间是有差别的,其他语言则没有

耶鲁公开课 - 心理学导论课程节选