The experts also say doctors need to work with pregnant women to do a better job of estimating exactly when a pregnancy began.
VOA: special.2009.10.26
Now, when exactly did the American South become a slave society?
那么美国南部究竟是从何时起成为奴隶社会的
it's very difficult when one is so articulate and is able to express exactly what you want to say,
当一个人已经熟谙一门语言,能够用这门语言清楚明白地表达意思,
That is exactly what happened. The monkeys reacted calmly when they heard the calming music.
VOA: special.2009.09.29
We'll talk about exactly what a gel is later when we talk about biomechanics and cells are suspended within it.
之后当我们谈到生物力学的时候,会具体讲讲这个凝胶是什么,以及细胞是怎样悬浮在其中的
But they are not able to tell exactly where or when a tornado will hit.
VOA: special.2010.05.11
Pretty" is not exactly the word at least not to my mind--when I read this.
确切来说“漂亮“,至少在我读的时候是这样。
When they reported back three days later, General Lee knew exactly where he would attack.
VOA: special.2009.09.17
We don't quite clearly understand exactly what that means and who and exactly when.
实际上我们并不十分清楚这学派意味着什么,学派里的谁写的这些书,什么时候写的。
But he said Anderson must say exactly when he and his men would leave.
VOA: special.2009.08.06
It doesn't really matter exactly when the decision is made.
什么时候做决定不是很重要
Not exactly. When we taste human blood, a sort of frenzy begins, and it's almost impossible to stop.
VOA: standard.other
So, we have evidence that the king doled out seed for planting, instructed people just exactly when to plant, where to plant, what to plant there, when to fertilize it if they did.
也有证据表明,国王恩赐作物种子,指导人民在何时,何地,耕种何种植物,以及如何在恰当的时间施肥
But he said he is ready. "I cannot tell you exactly when I will be seated, but I think it will be early next week,"
VOA: standard.2009.06.30
Okay, right, so if you're actually making food and you're creating some of a recipe then it's very difficult to know exactly the portions that go in when you eat the final food product that comes from it, so that's right. How many of you--go ahead.
对的,所以如果你自己做饭,你会有自己的一套食谱,你很难了解最后的成品中,原成分的精确含量了,所以就是那样,有多少人,你说
This is actually very representative of when you do research in the laboratory, you will find often things do not work quite exactly as they worked 20 minutes ago when you just checked it in your office, for example.
在实验室做研究时,这个实际上是非常具有代表性的,举个例子,当时只是在办公室核查它时,你经常会发现事物无法,像它们20分钟之前那样精确的工作。
But we'll explain in the week to come exactly why and when you do things like that.
但是我们将在下周精确地解释为什么,什么时候我们那样做。
When you look at the returns for institutions, you see exactly what it is that you'd expect.
当你看到金融机构的投资回报率时,你看到的就是你所期望的
The string is vibrating higher when it's exactly twice what the lower one is.
高音弦的震动频率,正好是低音弦的两倍
When it does happen, when the idea comes and you wrestle to place the words that express exactly what it is that you want to say, what it is that the meaning you're wrestling for.
当其真的发生时,你绞尽脑汁,希望写出,能准确表达它的文字,你苦思冥想,究其含义。
That's always open to debate, exactly when the South became a slave society.
经常有一些公开的争论,南方究竟是从何时成为奴隶社会的
So that when you are hooked up to the machine, it seems to you exactly the same on the inside as it would seem to you if you really were-- and now fill in the blank.
当你被连接到机器上时,你的内心感受,看似就是你真正的体验-,哪一种体验都可以。
And then our drop date is normally, I'm not exactly sure when, but it's actually probably in November,
然后退课的日子通常是,我不确定什么时候,不过其实大概是十一月,
We're trying to understand exactly what changes in your brain when you learn and how those changes persist over time to support memory. And one thing that we know which helps explain why some things are easier to remember than other is that learning is not a unitary process.
我们一直都想查明,学习的时候,大脑到底发生了什么变化,这些变化是如何长时间控制记忆的,我们都知道,学习的过程不是一元化的,这就是为什么有的东西好记,有的东西难记。
Imagine I have a little lamp, a little goose- one of those little gooseneck lamps, I'd put it on the table here, I'd put the height about a f-- about a foot off the table. And if I was really good, - I could hit, or time it so that when I hurt- yeah, try again. When I turn this on switch on in the lamp, at exactly the same time, I'm going to hit a key on my computer and start it running.
想象下我有一个那种小雁颈台灯-,我把它放在桌子上,大概离桌子,有一英尺那么高吧,这样挺好的,我可以打开-,或者关闭这灯,并在这同时,我可以让我电脑,开始运行。
when I was not behaving exactly as my teacher would have liked,
当我没有完全地按老师的指示做,
I mean, you should not imagine when I say slaves--just take out of your mind the plantations of the old South, because when you only have one or two slaves, the master is working right alongside them, doing exactly the same work that they are doing, and also instructing them and telling them what's what.
我的意思是,当我们提到奴隶的时候,大家不要想当然地联想到南部种植园,因为当你只有一两个奴隶时,奴隶主必须要和奴隶一起劳作,做着和奴隶一样的农活,并且不断告诉他们要做什么
So things are not... I haven't given you the numbers for the middle but... So you can see that whoever it was who said, you're slightly better off, you score with slightly higher probabilities when you kick to your natural side is exactly right.
所以事情不像是……,我虽然没有给出中路的概率,但是,我们先不管这些数字到底是谁总结的,我们发现我们走运了,当你从自然方向攻门的时候,你进球的概率会稍微提高
So you've got exactly the experience you would have if you were working in your lab having the brilliant breakthrough when you finally realize what the combination is that would make the right antibody, whatever it is.
你获得一模一样的体验,仿佛在实验室里取得重大突破,终于搞清楚药物成分,生成有效的抗生素等等。
s And what we find is we're going from about or exactly a 6 a nought here, to almost three times that when we're going from 2 s to 3 s.
从2s到,我们发现它,从6a0到大约增大了3倍。
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