Well, we start out with our usual system, and we have a bunch of little pebbles on it.

还是那个系统，活塞上面放了很多小石子。

麻省理工公开课 - 热力学与动力学课程节选

Now they get close enough together that they start to sense that they are becoming part of one system.

现在他们足够接近了,它们开始作用了,他们开始成为体系的一部分。

麻省理工公开课 - 固态化学导论课程节选

So, they don't start killing all the cells in your respiratory system; they only kill the cells that are harboring the virus.

所以它们不会杀死所有呼吸系统内的细胞,只杀死那些被病毒感染的细胞

耶鲁公开课 - 生物医学工程探索课程节选

We can't just smash things and start all over, we have to design a system of risk management.

而不是简单地打破一切再重新来过，我们应当设计一个好的风险管理体系。

耶鲁公开课 - 金融市场课程节选

All the energies are negative because it is a bound system. I start up here with n equals one.

所有能量级都是负数，因为它是一个束缚系统,在这里我从n等于1讲起。

麻省理工公开课 - 固态化学导论课程节选

Then you start to wonder well what is the system and ? what is it supposed to do?

于是你开始质疑,这个系统到底是什么,还有它到底是要干什么呢？

耶鲁公开课 - 金融市场课程节选

And once they start to become part of one system, Pauli Exclusion Principle kicks in.

一旦他们开始成为体系的一部分，泡利不相容原理起作用了。

麻省理工公开课 - 固态化学导论课程节选

So, I have a bacteria infection, stimulates my immune system, I start making antibodies that bind to an antigen specific to that bacteria.

所以 如果我被细菌感染了,我的免疫系统被激活,开始制造抗体,这些抗体结合到细菌特异性的抗原上

耶鲁公开课 - 生物医学工程探索课程节选

Then, your muscle cells would start producing Hepatitis B surface antigen and your immune system recognizing that's a foreign protein would start responding to it.

于是,肌肉细胞将会,开始制造乙肝表面抗原,然后免疫系统就会识别出,那是外来蛋白质并且产生免疫应答

耶鲁公开课 - 生物医学工程探索课程节选

If people start demanding payment on their notes then they will destroy the system.

如果人们开始要求纸币价值的兑现,他们将摧毁这个系统。

耶鲁公开课 - 金融市场课程节选

The nervous system, the endocrine system which we'll start talking about a little bit today is the system that's responsible for sending signals back and forth between tissues of your body.

还有神经系统,和我们今天将要提到的内分泌系统,内分泌系统主要负责,在体内各组织之间传递信号

耶鲁公开课 - 生物医学工程探索课程节选

I want to start with the nervous system.

我想从神经系统讲起

耶鲁公开课 - 生物医学工程探索课程节选

It's the way, for example, that foreign molecules or antigens get presented to cells of your immune system in order to start the process of making an immune response, so sometimes a cell/cell interaction.

通过这种方式,外源分子,或者说抗原,进入到免疫系统的细胞中后,就会开启免疫反应过程,有时候就是细胞之间的相互作用

耶鲁公开课 - 生物医学工程探索课程节选

Now, what if they get close enough together to start forming one system.

现在组成为一个整体,会发生什么。

麻省理工公开课 - 固态化学导论课程节选

Or you get a cold, the cold virus takes hold, the viruses start replicating inside of you and it takes some time for immune system to gear up to eliminate it, so we're used to thinking about responses that take some time.

或者你得了感冒,感冒病毒扎根在你的身体中,病毒开始在你体内复制,免疫系统需要一定时间做好准备去消灭它,所以我们曾认为免疫反应需要一定时间

耶鲁公开课 - 生物医学工程探索课程节选