So, which atom would you expect to be in the center of a Lewis structure for thionyl chloride?

那么，大家认为那个原子应该在,亚硫酰氯的路易斯结构的中心位置呢？

麻省理工公开课 - 化学原理课程节选

That's one way of thinking why animal cells have cells from animals and humans have sub-cellular compartments.

这就不难想见,为什么动物细胞,包括,人类细胞有亚细胞结构区域了

耶鲁公开课 - 生物医学工程探索课程节选

So, let's take a look at one of these rows in more detail to think about why this might be happening, and it turns out the reason that these glitches occur are because the sub shell structure predominates in certain instances, and that's where these glitches take place.

那么，让我们仔细地看一看其中一行,想一想为什么会这样，结果是这些小偏差的出现,是因为在一定情况下,亚壳层结构会产生重要影响，这正发生在小偏差出现的地方。

麻省理工公开课 - 化学原理课程节选

I'm not going to talk about them in detail but please look at that to remind yourself of those kinds of specialized sub-cellular units which are present in cells in humans but not present in bacteria.

我就不再赘述了,不过请你们看看书,回忆一下哪些特化的亚细胞结构单元,是人类细胞有,而细菌没有的

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