And they've included too much or too little in the system, and it looks to them that the second law is broken and they've created more energy than is being brought in.

他们在系统中,包含了过多或过少的物质，从而在他们看来,第二定律貌似是被打破了,他们创造了比最初引入的更多的能量。

麻省理工公开课 - 热力学与动力学课程节选

What happens when that recognition takes place is that your immune system gets activated, and the activation that happens usually involves two things.

当识别进行时会发生什么呢,那时免疫系统会激活,免疫系统的激活通常包含两个过程

耶鲁公开课 - 生物医学工程探索课程节选

It's a list of what you have to know about a system right now.

它包含系统当前的全部必要信息

耶鲁公开课 - 基础物理课程节选

These are going to be fairly common-sense definitions, but they're important, and when you get to a problem set, really nailing down what the system is, not more, nor less, in terms of the amount of stuff, that's part of the system, it's going to be often very crucial.

这些是,很常识性的定义，但是很重要，当你要解决问题时，务必要搞清楚系统是什么，它包含多少物质，不能多也不能少，这往往,是非常重要的。

麻省理工公开课 - 热力学与动力学课程节选

The other part of the adaptive immune system is the cell mediated immune system and this is an immune where that doesn't involve antibodies but involves cells that are activated in response to a foreign antigen and that utilize cellular means to get rid of it.

获得性免疫系统还包括,细胞免疫,这一免疫反应不包含抗体,但包含可以被激活来应答,并清除外源抗原的免疫细胞

耶鲁公开课 - 生物医学工程探索课程节选