You've got to place the boundary at exactly the right place, otherwise you've got a bit too much in your system or a bit too little.

你要把边界,设置在正确的位置上，否则你的系统就会要么多出一部分,要么少一部分。

麻省理工公开课 - 热力学与动力学课程节选

What would happen is these people who were enslaved from different cultures would develop a makeshift communication system so they could talk to one another.

这些来自不同文化的被奴役的个体,会创造出一种临时的交流系统,以便他们之间能够互相交流

耶鲁公开课 - 心理学导论课程节选

It was again --something was amiss -that you had the government deregulating and not watching.

同样是因为银行系统出了差错,政府解除监管,放任自由

耶鲁公开课 - 金融市场课程节选

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

This is very encouraging to see that we can design this system much more quickly that may offer real benefit to patients to offset that surgical risk.

看到我们能够设计出这种系统,速度更快，能够让病人受益,免遭手术的风险，这非常令人鼓舞。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

You can read every sound that is made, and they produced their alphabet.

就可以读出每一个能发的元音,他们还创造出了他们的字母系统

耶鲁公开课 - 古希腊历史简介课程节选

You click there, and you have to pay attention to how many services you have of something, because if it says that a serving is three-quarters of a cup and you ate a cup and a half, then the program has to recognize that or it won't be able to make an adequate judgment of what you're eating.

点击那里,大家还要注意,每种食物摄入了多少份,如果一份指四分之三杯,而你吃了一杯半,那么系统应该判断出是两份,否则它无法对你所吃的东西做出充分判断

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

One way to draw sort of a schematic diagram of the operation of the human body where it shows separated organ systems and tries to show them in context.

用这种图示的方法,示意人类身体的运作方法,图中单独表示出器官系统,并试图展示它们之间的联系

耶鲁公开课 - 生物医学工程探索课程节选

We'll learn more about that in a moment, but basically it allows the immune system to distinguish between viral and bacterial pathogens, and respond appropriately depending on the type of pathogen that's there.

我们一会儿会学到不少,但基本上说,这样一来免疫系统,就能够分辨出病毒和细菌病原体,并对相应的病原体类型,产生合适的免疫反应

耶鲁公开课 - 生物医学工程探索课程节选

If the immune system recognizes only small pieces of the virus and mounts an immune response to that, how about if I just take these pieces of a virus like some structural subunit, some piece of protein and use that as a vaccine?

如果免疫系统识别出病毒的一小段,就可以诱发起免疫应答,那么如果我仅用一小部分病毒,比如一些结构性亚基 一些蛋白质的片段,来作为疫苗的话,会如何呢

耶鲁公开课 - 生物医学工程探索课程节选

It can separate between what's part of yourself and what's foreign, and it does that by presenting, by recognizing antigens that are presented in the context of the major histocompatibility complex, MHC.

免疫系统可以识别出哪些是属于你的,哪些是外来的,它通过呈递和识别抗原达到目的,而抗原是存在于,主要组织相容性复合体中的

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