I'm going to say, quite to the contrary, the positive charge is concentrated at the center in a tiny, tiny, tiny volume.

我要说的是，完全相反，正电荷集中在中心,在一个非常非常小的体积内。

麻省理工公开课 - 固态化学导论课程节选

Because I feel like if, if I sit in front of the computer screen for too long, I just get distracted

因为如果我坐在电脑屏幕前太长时间，就会注意力不集中的，

关于学校生活 - SpeakingMax英语口语达人

We can never just have it there before us or, as I say, if we can--if we can--it's a very, very difficult act of concentration.

我们永远不能只面对着它，或者，要我来说，如果我们可以的话，那将需要高度集中注意力，这是很难的。

耶鲁公开课 - 文学理论导论课程节选

Part of it is, it takes me an hour and half to settle myself down enough, that I'm actually paying attention and, be more aware of what happening.

每一次，都需要一个半小时,来让我的头脑镇静下来，然后我才能真正地集中注意，感受身边发生的事情。

普林斯顿公开课 - 人性课程节选

So what I'd like to do now is focus on a piece that emphasizes--foregrounds-- just the first axis, pitch.

那么现在我要做的是集中精力于一首乐曲,它所强调的,突出的,只是这第一维,音高

耶鲁公开课 - 聆听音乐课程节选

A lot of the way I think about marketing is through the product itself.

我想到的多数营销方法,集中在产品自身这一媒介上。

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

That's the central badness of death and that's the one I'm going to have us focus on.

这才是死亡的主要坏处,我就将集中讨论这个。

耶鲁公开课 - 死亡课程节选

It's a kind of realism, of course. Nevertheless, there it is in front of us, and again I call you back to that quotation. What are we going to see when we look at the fiction? Do we see what's in front of us?

当然这也是一种现实主义，然而，这些就在我们眼前，我想再次将你们的注意力集中到那句引语上，当我们阅读这,部小说时，什么情景会呈现在你眼前呢，我们能看到什么吗？

耶鲁公开课 - 1945年后的美国小说课程节选

A star is a preview, is referring to what's called a pointer, similar in spirit but more dangerous than references in Java for those familiar, but we'll soon focus on these next week.

是一个预览，它叫做,一个指针，精神上类似的,但是在Java中提及这些熟悉的是更危险的,但是我将在下周集中研究这个。

哈佛公开课 - 计算机科学课程节选

I don't know. It's concentration, I guess. I don't know.

我不知道。这需要集中注意力，我猜。我也不清楚。

要想成为读书达人 - SpeakingMax英语口语达人

They'll say, I usually play for more money and it's hard to concentrate or I'm just screwing around.

他们会说，我玩扑克常常是为了赢更多的钱,但是却难以集中注意力,或者我只是随便玩玩罢了。

耶鲁公开课 - 金融市场课程节选

Modern poetry, as we study it in this class and, I think, as you see it in this anthology, is an international phenomenon.

我们课上学习的现代诗歌，你们在诗集中可以看到，我认为是一个国际现象。

耶鲁公开课 - 现代诗歌课程节选

I want to draw your attention to line 186.

我想要你们集中注意力看186行。

耶鲁公开课 - 弥尔顿课程节选

I don't care how you do it on exams or on problem sets, but you do need to be aware that the 3 d once filled is lower in energy than the 4 s, and the reason you need to be aware of that is if you're asked for the electron configuration now of the titanium ion.

我不关心你们在考试或者,问题集中如何做它，但是你们的确需要知道3d一旦被填充,它的能量是小于4s的，你们需要知道这个的原因,是如果你现在被要求,写出钛离子的电子构型。

麻省理工公开课 - 化学原理课程节选

I'm frustrated that I can't concentrate on my homework.

我没法把注意力集中在我的作业上，真令人泄气。

I'm frustrated 实战 - SpeakingMax英语口语达人

So it's very difficult, but what I come down to is that you just have to place your energy on your breath, and every time you notice your awareness drifts to somewhere else, you have to recognize this drift and let it go.

因此这很难，但我总结的方法是,只需要把能量集中到呼吸上，每次注意力不集中,飘到别处时，要意识到意识的涣散，并放手不管。

普林斯顿公开课 - 人性课程节选

But I've been focused on the question about the end of life.

但我之前一直集中在探讨生命的终结。

耶鲁公开课 - 死亡课程节选

I would say that the meditation I've done the most is really focusing on the breath like what Roberto was talking about, but I've also done some mantra meditations and visualization... What is a mantra meditation?

我所进行过的大多数冥想,主要就是集中注意力呼吸,像罗伯顿之前所说，但我也进行曼怛罗冥想,和观想念佛。,什么是曼怛罗冥想？

普林斯顿公开课 - 人性课程节选

It's growing harder and harder to concentrate.

我愈发难以集中精神。

耶鲁公开课 - 死亡课程节选