No one, until this time, had suggested that a system would be subjected to quantization except for light.

在他之前，还没有人提出过,除光系统外的量子化系统。

麻省理工公开课 - 固态化学导论课程节选

You have to have a good public transportation system when you have as many people here as we do.

如果你那儿和我们这儿的人一样多，你们得有一个良好的公共交通系统。

纽约的交通手段 - SpeakingMax英语口语达人

In fact, of all the systems of cellular differentiation that are known in our bodies, probably hematopoiesis is the best known.

事实上,我们体内已知的,所有由细胞分化成的系统中,造血系统也许是最为人所熟知的

耶鲁公开课 - 生物医学工程探索课程节选

So you've got the system. it could be a person.

比如说，系统可以是一个人。

麻省理工公开课 - 热力学与动力学课程节选

The ones who would seek out calories, the ones who could store and not waste energy, those with an efficient metabolism-- that is those people who took in calories and banked them into their body fat and stored against subsequent famine-- are the ones who would do the best under these circumstances.

那些寻找能量的人,那些储存而不浪费能量的人,那些有着高效代谢系统的人,那些人可以将摄入的热量储存为机体脂肪,以用于对抗即将到来的饥荒,在早先的情况下他们是最适应环境的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

I think that there's definitely a class system, but I also feel like everyone is very accessible,

我觉得，毫无疑问，这是种阶层系统，但我也感觉何种人都很容易接触到。

美国贫富差距？ - SpeakingMax英语口语达人

We would think that Milton's contemporaries might be aghast that such a sympathetic portrait of Satan could be used at the beginning of the poem.

我们很可能以为，与弥尔顿同时代的人,看到本诗开头就对撒旦有如此具体系统的描述,定会感到惊骇。

耶鲁公开课 - 弥尔顿课程节选

And, if you look carefully, it tries to give the sense of a one electron system.

如果你仔细的观察的话，它试图给人一种单电子系统的感觉。

麻省理工公开课 - 固态化学导论课程节选

VAR So, people talk about VAR, value at risk, and lots of people try and build VAR systems.

所以，人们总是讨论，即风险收益，而且有很多人试图建立风险收益系统。

耶鲁公开课 - 金融市场课程节选

This is a bacterium that's normally present in humans; it colonizes all of our intestinal systems.

这种细菌在人体中很常见,栖居在我们所有人的肠道系统中

耶鲁公开课 - 生物医学工程探索课程节选

So, what that really means, you know, from last week's lecture, is that the vaccine stimulates these particular cells in your immune system to give you immunity.

所以,这就意味着,通过上周的课程,你们知道,疫苗通过刺激免疫系统中的,特定细胞来使人获得免疫力

耶鲁公开课 - 生物医学工程探索课程节选

If you go on to study more about immunology, which I know most of you will, you will recognize that I'm-- this is just the simplest level of one of the most complex systems within our body.

当你们更加深入了解免疫学时,我知道大多数人会的,你们将会意识到,我现在只是对免疫系统,这一人体内最复杂的系统做最基础的介绍

耶鲁公开课 - 生物医学工程探索课程节选

If you take an organ from one person and put it in another, if their MHC molecules don't match then the immune system recognizes the immune system of the host recognizes 'this is not the right MHC for me' and the immune tries to destroy those cells.

如果将器官从一个人移植到另一个人,免疫系统识别出MHC分子并不匹配,宿主的免疫系统就会说,这不是我的MHC,免疫系统就会试着摧毁移植器官的细胞

耶鲁公开课 - 生物医学工程探索课程节选