• And if we go on to step three where we figure out how many we would need for full octets, it's just going to be 2 times 8, so we have 16.

    如果我们继续到第三步,判断一下填所有“八隅体“需要多少个价电子,结果应该就是二乘以八,也就是十六个。

    麻省理工公开课 - 化学原理课程节选

  • you could go like to a bar if you're 21 and if not, then

    如果21岁可以去酒吧,如果不到的话……

    圣莫妮卡和洛杉矶 - SpeakingMax英语口语达人

  • So if we take a look at nitrogen here, what you'll notice is we have thre available for bonding, - and we already have our lone pair -- one of our orbitals is already filled up.

    如果我们看一下氮原子,我们注意到我们可以成3个键,我们已经有一个孤对-,其中的一个轨道已经被填了。

    麻省理工公开课 - 化学原理课程节选

  • So if you had a jar full of triglycerides it would behave like an oil, many would be liquid at room temperature.

    所以如果你有一瓶甘油三酯,它看上去就好像油一样,它们在室温下都是液体

    耶鲁公开课 - 生物医学工程探索课程节选

  • The reason they call them boiler rooms is, if you are selling stocks by telephone there's no reason to rent a nice office, so you get the cheapest -so you put a whole bank of telephones in the cheapest place.

    它之所以被叫做锅炉房是因为,如果通过电话进行买卖交易,你没有必要去租一间漂亮的办公室,于是你租了最便宜的出租房,然后在那儿放电话

    耶鲁公开课 - 金融市场课程节选

  • So, if you only get a sniff of the tear gas in Barth, here you get a whole draught full of it.

    如果你在Barth问到了一点催泪瓦斯的气息,那么你在这将感受到是它的气味。

    耶鲁公开课 - 1945年后的美国小说课程节选

  • So, if you look at all of these, we have full octets for all of them, and if we count up all of the valence electrons, it's going to be equal to our number 26 here.

    那么,如果大家看看所有的这些,它们的“八隅体“都填了,而如果我们来数一数价电子的总个数,它应该就等于我们这里的二十六。

    麻省理工公开课 - 化学原理课程节选

  • So if we're comparing the difference between these 2 now, what you'll notice is that in nitrogen we have all half-filled 2 p orbitals, and now, once we move into oxygen, we actually have to add 1 more electron into 1 of the 2 p orbitals.

    那么如果我们来比较下它们两个有什么不同,你会发现氮的,2,p,轨道,都是半的,现在,我们继续看一下氧,我们不得不在其中一个,2,p,轨道上,再放上一个电子。

    麻省理工公开课 - 化学原理课程节选

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