Jeff Sessions is a Republican from Alabama: "This legislation may have a great vision, it may have a great idea about trying to make the system work better.

VOA: standard.2009.12.25

It's not going to be zero this time because we have non zero heat exchange between the system and the environment, right.?

热力学量，但是现在让我们看一下,我们的特殊函数，这次它不会是零,因为系统与外界的热量交换并不是零，对吧？

麻省理工公开课 - 热力学与动力学课程节选

But they have really had a big scaling down of the mass transit system this year.

但是今年确实大幅度削减了公共交通。

纽约的公共交通 - SpeakingMax英语口语达人

And if we want this, then we have to make sure that Afghanistan has its own security infrastructure, that that system is there and we want to help build it,".

VOA: standard.2009.11.09

What we've seen is a testing of the system -that we have regulatory requirements, that banks have enough capital -but this regulation is challenging because it's being stressed right now.

我们列举的这些案例都是对银行体系的考验,我们需要加强监管,以确保银行有充足的资本,但监管确实是一项艰巨的任务,因为现在面对的压力更大了

耶鲁公开课 - 金融市场课程节选

"I can understand that people who actually lived at that time, in the communist era, who were hurt by this system it might upset them to see young people who might have basically no knowledge about this system and didn't live in that, wearing the symbols they don't understand.

VOA: standard.2009.12.16

Now if all we have to go on is just this semiotic system, it's going to be kind of hard to put up resistance to by the same token we'll say "yellow" means "pause," "green" means "go."

而从语义学角度分析，我们必须不能这么想,这样绿色自然就表示继续，黄色表示暂停“

耶鲁公开课 - 文学理论导论课程节选

to say 'get real.' What is dangerous is to commit "This is extraordinary, to spend a whole lot of money that we might not have on a system that most certainly won't help when the world is changing, when we're facing new threats, where now more and more military experts are saying there are different alternatives."

VOA: standard.2010.04.30

DNA also has this sort of combinatorial system where you have a finite number of, I guess, bases or amino acids that could combine to a possible infinity of strings of DNA strings.

脱氧核糖核酸也拥有这种组合系统,你的生物基础或氨基酸数量是有限的,但却能组合出,几乎无限的脱氧核糖核酸螺旋结构

耶鲁公开课 - 心理学导论课程节选

> What exactly is the difference with this system that we have here of compiling and say another compiler for one like the C++?

>在这个系统上编译,跟在我们这编译有什么不同吗？,也就是说，有没有其他的编译器供C++等语言使用？

哈佛公开课 - 计算机科学课程节选

The immune system, some cells of the immune system, in particular this class of T-cells called CD8 cells have receptors which recognize MHC1.

免疫系统,其中一些免疫细胞,特别是T细胞中的,CD8细胞含有可识别MHC1的受体

耶鲁公开课 - 生物医学工程探索课程节选

What they're really doing is just we're facing this seize up of our financial system so we have banks that we've just seen the failure of Bear Stearns which is actually a broker-dealer.

他们真正在做的只是,我们正处于金融体系失灵的阶段,所以我们有这种银行,我们刚刚目睹了经纪自营商,贝尔斯登的失败。

耶鲁公开课 - 金融市场课程节选

Here's where the intelligence of the immune system comes in, is that these cytotoxic T-cells that are generated only kill cells that have this signal on it.

免疫系统的聪明之处就在此,这些细胞毒T细胞,只能杀死具有特殊标记信号的细胞

耶鲁公开课 - 生物医学工程探索课程节选