The singer said the testing shows that she is,in her words, borderline positive for the disease.

VOA: special.2010.06.15

You might see them on the site and we just keep our operating expenses low so far and by doing that, we've been able to stay cash flow positive for basically the entire existence of the company.

在网站上可以看到,我们一直保持低成本运营，这样可以使得现金流的流入大于流出,自公司创办以来都是这样做的。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

dT/dp is mu JT. So for a real gas like air, this is a positive number. It's not zero.

所以对于像空气这样的真实气体，这是一个正数，不等于零。

麻省理工公开课 - 热力学与动力学课程节选

Mr.Zuma said that by next April all children under one year of age who tested positive for HIV would receive treatment.

VOA: standard.2009.12.02

So, for example, for the chlorine case, we would say that the electron affinity for chlorine is actually positive 349 kilojoules per mole.

比如，以氯为例，我们可以说氯的电子亲和能,应该等于正的，349，千焦每摩尔。

麻省理工公开课 - 化学原理课程节选

More than half say a nuclear-armed Iran would be more positive for the Middle East.

VOA: standard.2010.08.06

And I am able to vary the voltage on the plates making this for argument's sake negative and this for argument's sake positive.

我可以改变两个板子上的电压,为了论证，这个是负电,这个是正电。

麻省理工公开课 - 固态化学导论课程节选

"So a year ago,in 2009, when you had a majority being optimistic about American policy in the Middle East, only 29 percent said Iran having nuclear weapons would be positive for the Middle East.

VOA: standard.2010.08.06

And very interesting for positive psychologists, those concerned with wellbeing and happiness: their wellbeing and happiness levels were incredibly similar.

让积极心理学学者，和研究幸福和快乐的人，更感兴趣的是：,这些双胞胎的幸福和快乐水平非常相似。

哈佛公开课 - 幸福课课程节选

"I have every belief that when he finishes his speech tomorrow, the American people will be able to put aside some of the ridiculous falsehoods that have been perpetrated these past few weeks, and focus on what we are going to do that is positive for this country,".

VOA: standard.2009.09.08

The pessimism sort of surprised me. So I spent some time looking for sort of a deeper positive message.

这其中的悲观主义某种程度上使我感到惊讶,我花了些时间寻找蕴含其中的深层的积极信条。

麻省理工公开课 - 电影哲学课程节选

And that if we want a positive earth for future generations, we all need to make commitments to be change agents so that we don't destruct our natural resources."

VOA: special.2010.01.21

That's what the optimist thinks-- not just for themselves individually, but for everybody, the total is always positive.

那是乐观主义者的想法-,而且不但是对他们自己，而是对所有人，等式结果总是正数。

耶鲁公开课 - 死亡课程节选

And then,years ago when I first found out that I was HIV positive, my initial reason for doing glass was I wanted to leave one glass vase for my nephew and nieces to remember their uncle by.

VOA: special.2009.09.16

This is called the geometric average and it's used only for positive numbers.

这种平均叫几何平均,只能用于正的数值

耶鲁公开课 - 金融市场课程节选

He only spoke briefly about the new U.S.plans for the region but he said President Obama's policies represent "positive change."

VOA: standard.2009.03.28

The first derivative of their regard for us is positive. Okay?

他们对我们态度的转变首先是积极的，，对吧？

耶鲁公开课 - 心理学导论课程节选

She says she is HIV-positive. "I came to take my treatment for the baby and to see how the baby is feeling."

VOA: standard.2010.07.01

I believe religious pluralism has three dimensions: No. 1, respect for people's religious identities ; including people with no religious identities; No. 2, positive relationships between different people ; of different religious communities; and No. 3, a collective commitment to the common good.

我认为宗教多元主义分为三个层面：,第一是对人们不同的宗教身份的尊重,包括对无宗教信仰的人的尊重;,第二是来自不同宗教社区的,不同人间的良好关系;,第三是共同致力于公共利益。

普林斯顿公开课 - 人性课程节选

As for how long the recession will last, Bryson predicts that the economy could turn positive by the end of the year.

VOA: standard.2009.03.18

For example, the positive ions, these are electron deficient.

例如，正离子，是缺少电子的。

麻省理工公开课 - 固态化学导论课程节选

"Even after you start moving into a recovery-positive growth-hiring typically lags for some time after that.

VOA: standard.2009.07.14

But we'll go over that, particularly some exceptions, when we're filling in electron configurations, and how we would go about doing that for positive ions, which follow a little bit of a different procedure.

但是我们将会重温它们，特别是一个特例，当我们填充一个电子构型，而且我们会如何着手,处理阳离子，它遵从一些别的不同的过程。

麻省理工公开课 - 化学原理课程节选

But for the most part, she says negative developments far outweigh the positive ones.

VOA: standard.2009.09.16

we learned that the average number of romantic relationships for people to take positive psychology in 4 years is between zero and one.

我们了解到上积极心理学课的人,在4年里恋爱次数的平均数在0到1之间。

哈佛公开课 - 幸福课课程节选

"Let the young people raise their voice for freedom, for a positive policy,"

VOA: standard.2009.06.21

And what you find out if you do these calculations, is that you have a negative 1 for your formal charge on nitrogen, you have a negative 2 for your formal charge on carbon, and you have a positive 2 for your formal charge on sulfur.

而如果你做了这些计算会发现，氮的形式电荷量为负一，碳的形式电荷量为负二，而硫的形式电荷量为正二。

麻省理工公开课 - 化学原理课程节选

She says U.S.engagement with Burma's military government, known as the State Peace and Development Council, could be positive, but only if Washington remains firm in pushing for change.

VOA: standard.2009.09.24

So we'll take a positive psychology break for that.

我们会为此进行积极心理休息。

哈佛公开课 - 幸福课课程节选

You might say that optimists are people who think that for everybody in every case, in every circumstance, the total is always positive.

乐观主义者认为,任何人在任何情况下，在任何环境里，等式结果永远是正数。

耶鲁公开课 - 死亡课程节选