Still one Boeing executive, sought to put a positive spin on the industry's future during an interview with France 24 news channel.

VOA: standard.2009.06.16

And so, there is an attractive force between the two of them, the positive and the negative.

因此这两个正负电荷间，存在一个吸引力。

麻省理工公开课 - 固态化学导论课程节选

I mean, if you do the--If you look at the results for the study, it turns out that there is an association as bias to view white Americans as positive and African Americans as negative but it shows up in half a second difference.

如果你看这些研究的结果，你会发现人们有一种偏见,把白人和积极的意义联系在一起,把黑人与消极的意义联系在一起,你只有看这半秒的差别，才能发现这种偏见。

耶鲁公开课 - 心理学导论课程节选

Many doctors recognize that patients,like Daniel, with strong family support, a positive attitude and an active spiritual life have a greater chance to survive.

VOA: standard.2010.01.12

So, what we're looking at here is the force when we have two charged particles, one positive one negative -- here, the nucleus and an electron.

我们现在研究的是,一正一负俩个带电粒子之间的,作用力-在这里。

麻省理工公开课 - 化学原理课程节选

But Gomez ends "Try to Remember" on a positive note, as Gabi gains self-confidence, educates herself and finds the strength to become an independent young woman.

VOA: standard.2010.07.22

I mean, there is an emptying out of positive meaning in the very awareness that, after all, the red light could mean "go" I'm about to go on and give more examples.

这就事我们不能主动赋予符号意义,但是是要认识到，红灯也有表示，出发，的意思“,我会用更多例子来说明它。

耶鲁公开课 - 文学理论导论课程节选

"We want to ensure that we can develop an Islamic character with our youth and give the positive aspects of Islam here in the society of the U.S.A."

VOA: standard.2010.07.12

It's a positive force, and it exerts an actual and somehow palpable, discernible force in the world.

它是一种积极的力量，它在世界上发挥一种实际的，某种可感知可识别的作用。

耶鲁公开课 - 弥尔顿课程节选

"This is a positive development,". "I have always been of the view that the Iranian nuclear issue is an issue that can only be resolved through dialogue, through diplomacy.

VOA: standard.2009.10.19

And very often what that does-- a positive emotion can take us out of this downward spiral and create an upward spiral.

很经常的是-,积极情绪把我们带出下行螺旋,形成一个上行螺旋。

哈佛公开课 - 幸福课课程节选

(SAYING) "It can increase an HIV- positive person's confidence.

VOA: standard.2010.04.01

The good news is we've received once again an overwhelming positive response.

获得了大量的好评,超过1400万人点击该网站。

麻省理工公开课 - 媒体、教育、市场课程节选

Koesmayadi is himself an HIV-positive former drug user.

VOA: standard.2010.04.01

It could be positive or negative or complex, but it's just an ordinary number.

它可以是正数,负数或者复数,但它仍然只是一个普通的数

耶鲁公开课 - 基础物理课程节选

(Speech) In an interview on Belgian television, Mr.Martens said the political atmosphere is positive, and far different than last December, when he was again called to intervene in the country's political crisis.

VOA: standard.2009.11.25

That's an example of a process called positive feedback.

这个过程叫做正反馈

耶鲁公开课 - 生物医学工程探索课程节选

He was acquitted in a 2006 rape trial, during which he admitted having unsafe sex with an HIV-positive woman, and he came under political pressure recently when it emerged that he fathered a child out of wedlock last year.

VOA: standard.2010.04.26

So even if we strip an atom of all of its electrons, we still have that same amount of positive charge in the nucleus.

所以即使把一个原子的所有电子都拿走,原子核还是带那么多的正电。

麻省理工公开课 - 化学原理课程节选

"If he does not show some progress and it just seems like we are getting deeper and deeper into an occupation and a counter-insurgency effort without any positive news for a number of months, I think he could face some real opposition,".

VOA: standard.2009.09.02

So you don't want to put in a negative energy, that's not going to help you out, you need to put in positive energy to get an electron out of the system. So that's why you'll find binding energies are always negative, and ionization energies are always going to be positive, or you could look at the equation and see it from there as well.

因为这对电离没有帮助,你需要一个正的能量,使得电子脱离这个系统,这就是为什么你会发现,结合能总是负的而电离能总是正的,或者你们看这个方程也可以发现这一点。

麻省理工公开课 - 化学原理课程节选