And I'm afraid that I might never see them again, and that I'll never be able to tell them that I love them again.

VOA: standard.2009.07.20

So, you need some reference points to be able to tell you, OK, this temperature is 550 degrees Smith, whatever.

你需要定要一些参考点,它们告诉你，“这个温度是550史密斯氏度“之类。

麻省理工公开课 - 热力学与动力学课程节选

so that if you come up with some amazing invention, you have to be able to tell all the people about it.

这样如果你要是有了什么了不起的发明，你要能够把它告诉别人。

沟通很重要 - SpeakingMax英语口语达人

Hill says when police raid a brothel, if they've had the right training, they will be able to tell when a woman is willingly committing a crime or has been forced into prostitution.

VOA: standard.2010.07.23

That's important, too, because you need to be able to tell if the virus is present in the human population.

这一点也非常重要,因为你要能够分辨出,人群中是否有人感染了天花病毒

耶鲁公开课 - 生物医学工程探索课程节选

Interestingly,and somewhat more surprisingly, looking at it from the inside,we won't be able to tell either.

很有趣地，同时也很让人惊讶地，从内部设身处地观察，我们也找不出答案。

耶鲁公开课 - 死亡课程节选

You'll see light coming out, but it's, of course, going to be bulk light -- you're not going to be able to tell the individual wavelengths.

你会看到有光出来，但当然这些光是混在一起的,你不能看到每个单色光。

麻省理工公开课 - 化学原理课程节选

And you'll be able to tell them when it occurs, how it happens, what it's related to.

而且你还可以告诉他们这事发生的时间、怎么发生的，以及它与什么事情有关。

I get so upset 课堂 - SpeakingMax英语口语达人

And you're not always going to be able to tell.

你经常说不出来会发生什么。

麻省理工公开课 - 计算机科学及编程导论课程节选

Generally they are not going to be able to tell you.

一般他们也说不清楚。

韩国人经常犯的失误 - SpeakingMax英语口语达人

Maybe by the different branching patterns that these processes had, or how many processes were on a different kind of neuron, you'd be able to tell something about its function and probably something about where it came from.

通过辨识分化过程中的,不同突起的分支模式,或是不同神经元各异的突起数目,也许你也能分辨出这一细胞的功能,或许还有它的由来

耶鲁公开课 - 生物医学工程探索课程节选

Because we won't be able to tell,looking at it from the outside, which one really has Shelly Kagan's soul.

因为我们无法从外部判断，哪个人持有Shelly，Kagan的灵魂。

耶鲁公开课 - 死亡课程节选

You might be able to tell just by looking at it what was - if there was a disease what was wrong with it.

也许还能看出,这个细胞是否存在病变

耶鲁公开课 - 生物医学工程探索课程节选

And you'd never possibly be able to tell.

而你永远无法知道。

耶鲁公开课 - 死亡课程节选

You'll no longer be able to tell them about the things that have been going on.

不再能够告诉他们发生了什么。

耶鲁公开课 - 死亡课程节选

I would expect, whether you're a Red Sox fan or not, you to be able to look at a list of different pitchers and their average velocity for their fastball, and tell me who has the longest or the shortest wavelength.

无论你是否是一个红袜队球迷，我预想你会看到一系列,不同的投手和他们,投出快球的平均速度，告诉我谁有最长的,或者最短的波长。

麻省理工公开课 - 化学原理课程节选

So, in talking about covalent bonds, we should be able to still apply a more general definition of a chemical bond, which should tell us that the h 2 molecule is going to be lower in energy than if we looked at 2 separate hydrogen atom molecules.

那么，既然提到了共价键，我们应该还可以,给化学键下一个更普遍的定义,那就是告诉我们氢分子能量应该更低,与两个分开的氢的单原子分子相比。

麻省理工公开课 - 化学原理课程节选