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

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

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

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 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

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