The many civilizations adopted by the human race have shared basic characteristics.
人类承袭的多样文明,都有着共同的基本特征
So, we have a lot of shared rooms which helps
所以,我们有很多共用的房间,这有益于分配空间,
A covalent bond is any time we have a pair of electrons that is shared between two different atoms.
所谓共价键就是我们有两个原子,共用一对电子。
And the nice thing is that there's a shared behavior there. Just as I can have tuples as an ordered collection of things, strings behave as an ordered collection of things.
共享的行为,就像元组是有序的元素序列,字符串也是有序的元素序列,因此我可以对字符串做同样的操作,我可以把它们连结起来。
because we have a shared conflict, a common thing we always talked about in the dining hall.
因为我们共同面临着巴以冲突问题,我们总是在餐厅一同讨论这个问题。
Everyone who's thinking, I don't know whether I'll be rich or poor, so I would like to have a world in which risks are shared.
每一个会思考的人都会想到,我无法预知自己会富有还是贫穷,那么还是生活在能够摊薄风险的世界更好。
But at the same time, as Darwin well knew, emotions have universal roots that are shared across all humans and across many animals.
但同时,正如达尔文所说,情感在全球是相通的,被所有的人类和动物共享。
We don't have two different species of hydrogen here, so the electrons are perfectly shared.
我们没有两个不同源的氢原子,所以电子很好的而得到了平分。
So, shared electrons are the ones that are shared between the carbon and the nitrogen, so we have 6 shared electrons, and we want to take 1/2 of that.
共用电子是那些在碳和氮之间,被它们共用的电子,那么我们有六个共用电子,然后我们要给它乘上二分之一。
Remember, every time we have two electrons that are being shared, that's a single bond.
还记得,每次我们有两个电子被共用,我们就有了一个单键。
So in terms of nitrogen that starts off with a valence number of 5, again we have 2 lone pair electrons in the nitrogen, and again, we have 6 electrons that are shared.
对于氮来说,我们应该从五个价电子开始,同样,氮也有两个孤对电子,共用电子的个数也一样,是六个。
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