来自《耶鲁大学开放课程：新生有机化学 第4集 第4集》
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Now -- oh pardon me, they don't all have octets,哦对不起 他们不都是八电子 -
that one on the right has a sestet,右边那个有个七电子 -
because the carbon's making two bonds;因为碳成了两个键 -
so it gets three electrons out of those two bonds --所以它只得到三个电子 -
pardon me, it gets two electrons out of those two bonds,说错了 它得到两个电子 -
one from each bond, that's its share from the bookkeeping,每个键一个 那是分享的电子 -
plus an unshared pair. Right?加上一对电子 对吧 -
That's only -- what's associated with it,那是只有 和这个有什么关系 -
It has only three... pardon me它是只有三个 对不起 -
I'm saying the wrong thing here...我又说错话了... -
It has four electrons that it calls its own,它自己是有四个电子 -
from a bookkeeping point of view,从记账的观点而言