"This is because such failure, if it were allowed to occur, would have serious negative consequences for generations to come."

VOA: standard.2010.03.21

But when we're thinking about actual wave behavior of electrons, it's just important to keep in the back of our head that some areas have positive amplitude and some have negative.

电子的波动行为时,我们，要记住,某些地方是正的,某些地方是负的,当我们讲到。

麻省理工公开课 - 化学原理课程节选

You have negative wavelengths.

你得到了负的波长。

麻省理工公开课 - 固态化学导论课程节选

Shuttle Launch Director Mike Leinbach said the crew did not let the one-day delay have a negative impact on them.

VOA: standard.2010.02.08

There's the weird diets but hard to classify: Detox Diet, The Rave Diet, so if you're into raves you can go do that, and The Negative Calorie Diet, so these -the Negative Calorie Diet are ones that- where you eat food that have negative calories, so you consume it but it burns off more calories than it actually has.

这些是难以归类的减肥法,排毒法,锐舞减肥法,如果你对锐舞感兴趣,就可以照着做,还有负热量减肥法,负热量减肥法是指,吃具有负热量效应的食物,当你吃它的时候,消耗掉的热量比食物本身所含热量还多

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

(Voice) He says if European banks react to this by getting stricter on making loans,it could have very negative consequences.

VOA: standard.2009.11.27

So, what we're saying is that we have n equals to 4, and m sub I being equal to negative 2.

我们说的是ｎ等于４,ｍｌ等于－２

麻省理工公开课 - 化学原理课程节选

Polls show that Democrats and a sizable number of independents have a generally negative view of Palin.

VOA: standard.2010.02.09

We have to bring the best people in, edit the best people in so we have a good cast of characters, and edit away any negative elements.

我们必须招揽最优秀的人，吸纳最优秀的人,所以我们有了强大的阵容，剪辑走了负面元素。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

"And if they continued to lionize him in a public fashion, that these kinds of public demonstrations can only have a profoundly negative effect on our relationship."

VOA: standard.2009.08.24

Not only they have failed in bringing about positive change, they actually brought about negative change.

不仅没有实现正面的改变，实际上是带去了负面的改变。

哈佛公开课 - 幸福课课程节选

Analyst Houchang Hassan-yari, who teaches at Canada's Royal Military College, says that the recent reactions of Iranian leaders demonstrate a growing realization on their part that sanctions are starting to have a negative impact on their economy.

VOA: standard.2010.07.23

People who really hurt us are not the people who have always been negative.

真正伤害我们的人,并不是那些看轻我们的人。

耶鲁公开课 - 心理学导论课程节选

"When you have a situation like this occur, you are bound to have a situation down the line where there could be a shortage in food, which can also trigger other negative situations, such as malnutrition, for example, or insufficient food for cattle, which is also another important economic sector in West Africa,".

VOA: standard.2009.09.08

Our bodies have mechanisms like that, that mainly use the principle of negative feedback in order to control the parameters that are important for life within a certain range.

我们的身体有着与之类似的机制,主要依靠负反馈原理来,将与生命息息相关的指标控制在一定范围

耶鲁公开课 - 生物医学工程探索课程节选

So we don't have any trouble with negative times.

所以此处负根对我们不构成干扰

耶鲁公开课 - 基础物理课程节选

But if life would no longer have anything good to offer you, if what you then would have had would have been something negative instead of something positive, then at that point, dying wouldn't actually be a bad thing.

但是当生命再也不能向你提供美好，届时我们面对的是,消极的而非积极的东西，那时死亡可能不是一件坏事。

耶鲁公开课 - 死亡课程节选

Now you have this situation where you have a droplet that is net negative or perhaps net positive.

现在的情况是那些液滴,可能是净负电，也可能是净正电。

麻省理工公开课 - 固态化学导论课程节选

- So most of you recognize, if we switch back to the notes, that they do have a negative electron affinity.

看来大部人都想到了，如果你翻翻讲义的话，它们的电子亲和能确实是负的。

麻省理工公开课 - 化学原理课程节选

So do you think noble gases would have a high positive electron affinity, a low positive, or negative electron affinity?

那么，你认为稀有气体的电子亲和能,应该是一个高的正值，一个低的正值，还是一个负值？

麻省理工公开课 - 化学原理课程节选

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

Let's re-draw this, so it looks a little bit neater, where we have a triple bond in the middle instead, and again, we need our negative 1 charge there.

让我们重写这个，这样看起来更整洁一点，我们有一个三键在中间，同样地，我们这里需要一个负电荷。

麻省理工公开课 - 化学原理课程节选

So, for example, if we were looking at the actual wave function, we would say that these parts here have a positive amplitude, and in here we have a negative amplitude.

我们看，一个波函数,我们说，它这部分幅值，为正,这部分幅值为负，当我们看。

麻省理工公开课 - 化学原理课程节选

Right, because when we think of an energy diagram, that lowest spot there is going to have the lowest value of the binding energy or the most negative value of binding.

对因为当我们考虑,一个能量图时那里最低的点,是具有最低的结合能,或者最不活跃的结合能。

麻省理工公开课 - 化学原理课程节选

So for example, that might have a formal charge of negative 1, because to some extent it has gained that much electron density that it now has a formal charge that's negative.

比如，可能它的形式电荷为负一，因为在一定程度上它得到了这么多的共用电子密度,那么它现在就有了负的形式电荷。

麻省理工公开课 - 化学原理课程节选

So, for example, in a hydrogen atom, if you take the binding energy, the negative of that is going to be how much energy you have to put in to ionize the hydrogen atom.

例如在氢原子里面,如果你取一个结合能,它的负数就是。

麻省理工公开课 - 化学原理课程节选

No, we can't. Because if l equals 1, we can not have m sub l equal negative 2, right, because the magnetic quantum number only goes from negative l to positive l here.

不行，因为如果ｌ等于１,ｍｌ的值不可能等于－２，对吧，因为磁量子数的值,这时只能从－１到１

麻省理工公开课 - 化学原理课程节选

Remember when we have waves we can have positive or a negative amplitude.

记住一个波会有,正的幅值和负的幅值。

麻省理工公开课 - 化学原理课程节选

So that's where you have to think about whether it's positive or negative.

你就要想想，它是正还是负,你们现在不需要。

麻省理工公开课 - 化学原理课程节选

Neither it is a negative sum game-- it's not that my happiness takes away from other people's happiness which will be a negative sum game: if I have more, you'll necessarily have less.

也不是负和游戏-,我的快乐不是从别人那里夺来,那将是负和游戏：,我有更多，你一定更少。

哈佛公开课 - 幸福课课程节选