We talked about mitosis last time; it's described more completely in the chapter, where two cells are formed from one.
我们上节课说到过有丝分裂,在那一章里更详细的阐释了,细胞是怎么由一生二的
So, let me go back to what we talked about last week and illustrate that a little bit more closely.
让我们回到上周所讨论的问题,并且通过例子来进行具体讨论
We talked about that quite in depth, but there are some differences now that we have more than one electron in the atom.
但是这里有一些不同的是,现在我们考虑的原子中,有多于一个,的电子。
So, to summarize so far, and we're going to look at this a little bit more for the rest of this lecture, we've talked about two morals in social psychology.
总结一下目前所讲过的内容,我们会在这节课中,更详细地讨论这点,我们讲了社会心里学中的两个行为准则。
Last time we talked very little about that and so we'll talk more about that next week, but certainly technology is going to be available, but there's going to need to be ways developed to put this technology together.
上节课我们谈过一点,下星期会进一步探讨,当然这种技术的实现,是建立在各种相关技术的基础之上的
The other thing that I want to do today is try to tie this discussion on vaccines a little bit more closely with what we talked about last week, in terms of what happens inside your body when you receive a vaccine or when you're exposed to an antigen, and how the immune system actually responds to that.
还有就是,我希望可以,把今天关于疫苗的讨论,与我们上周讲过的内容,结合得更紧密一些,当接种疫苗,或者是接触抗原时,人体将会发生怎样的变化,以及免疫系统对疫苗产生何种应答
As time goes on, we've developed ever more complex machines to study people and we've talked about some of these already: EKG machines, so an example of an electrical device that can be used to monitor a very elaborate function deep inside your body, the beating of your heart and the rhythm of your heart.
如今,我们已经有功能更加复杂的设备,来研究人类,比如之前说到的心电图,我们使用电子装置,对身体内部机能进行精确地监控,具体到心电图就是心跳和心率
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