So we can think about something I mentioned last time, which is when we're thinking about chemistry and what's really interesting in terms of chemical reactions, it's mostly valence electrons we're talking about, those are the ones that tend to be involved in chemical reactions.
我们可以考虑一下我上次提到过的一件事,那就是如果我们讨论化学,以及什么是化学反应中,真正令人感兴趣的东西,我们讨论的几乎都是价电子,它们才是在化学反应中,真正起作用的部分。
Now this is mostly irrelevant to what we're talking about except for the fact that there are magnetic particles involved and they're really small because it turns out what's inside most of your laptops and desktop computers are these things called hard drives.
其实这与我们现在谈论的话题没什么关系,除了这里的磁性粒子有关系外,它们是很小的因为它们要放在,你的笔记本电脑或者,台式机中被称为硬盘的里面。
We'll talk in a minute about stem cells that are involved in generation of blood and they develop and they live in the bone marrow.
我们一会儿要说到,和血细胞再生有关的干细胞,它们发育并储存在骨髓中
That's what we see are involved in bonding.
那也是我们所看到的结合的电子。
And others would saying in addition to the traditional ideas of keeping these Jewish dietary laws involved, we should add an understanding based on the needs of the planet and the suffering of the animals that are potentially involved with our food resources.
另一些人可能会建议,除了,保持传统的,犹太饮食教规,我们应当理解,地球的需求和动物的痛苦,而这些都是与我们的食物来源有关系的。
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