• So what we see is that those six pi electrons are actually going to be de-localized around all six of those atoms.

    我们看到,六个π电子会,巡游在所有六个原子周围。

    麻省理工公开课 - 化学原理课程节选

  • There were certain localized slave societies in East Africa, out of Zanzibar by the eighteenth and nineteenth century.

    8至19世纪的东非除了桑吉巴之外,都存在小范围的奴隶社会

    耶鲁公开课 - 美国内战与重建课程节选

  • Because of course,if I haven't had it no wonder I don't remember it but if I have had it,I would have been given that temporary sort of localized amnesia So of course I wouldn't know whether or not I've had it So you ask the nurse ?" "Have I had the operation yet or not?"

    因为如果没有手术,难怪我不记得了,但如果手术了,我会被给予那种,短时间的局部失忆药物,所以当然我不知道有没有做了,你就问护士,“我做手术了吗“

    耶鲁公开课 - 死亡课程节选

  • All right, so one thing that I first want to point outabout MO theory that is a big difference from Lewis structures, is that in MO theory valence electrons are de-localized over the entire molecule.

    好了,对于MO理论低一点要指出的,是它和Lewis有着很大的区别,在MO理论里,价电子在整个分子里是去局域化的。

    麻省理工公开课 - 化学原理课程节选

  • Now, there were other localized slave societies, surely; certainly within Africa, to a certain degree even before Europeans arrived and certainly after Europeans arrived, particularly after the regularization of the Atlantic slave trade.

    除此之外当然还有很多小区域奴隶社会,非洲当然有,甚至是原始欧洲,欧洲现代人到来后当然更多,特别是在,大西洋奴隶贸易合法化之后

    耶鲁公开课 - 美国内战与重建课程节选

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