So how many time do you think-- you all have a piece of paper in front you-- how many time do you think you need to roll over the piece of paper ? for the piece of paper to reach the moon?
你们认为需要折多少次-,你们面前都有一张纸-,你们认为需要将纸折叠多少次,才能碰到月亮?
Another thing to point out in these two graphs is that we do have nodes, and we figured out last time, we calculated how many nodes we should have in a 2 s orbital.
另外这两张图上要指出的是,我们可以看到节点,上次我们知道,我们算了2s轨道有多少个节点。
How many of you are here for the first time who weren't here for the--okay good.
你们有多少是第一次来上这个课,谁上次课没来,好吧
How many people know that three times a week physical exercise,30 minutes each time has the same effect ? as our most powerful psychiatric drugs?
多少人知道,每周三次,体育锻炼,每次三十分钟,与最强劲的精神药物,有同样的效果?
And again, how many numbers have I touched physically this time?
这次我真正用了这些数字几次?
I asked the wrong question. How many of you were not here last time?
我问得有问题,上节课有多少人没来啊
As I said, in some context last time, how many Russian peasants died in the 1890s thinking, "Oh my god, if the Czar only knew that we're starving, how angry he would be with his officials."
就像我在上一讲提到的,有多少死于1890年代的俄国农民会想,"上帝啊,要是沙皇知道我们在挨饿就好了,他该对手下的官员发多大的火啊"
How many of you, excluding the people who chose 1 last time, how many of you chose a number that was lower than the number you chose last time?
出了上次选1的人,多少人选了比你,上次选择的数还低的数字
Now before I do that, I don't need the people at home to see this, but how many of you were here last time? How many of you were not.
在家看视频的人不必关心这个,上节课你们多少人来了,多少没来
What's important about the construction of St. Petersburg-- I don't know how many of you have ever been there; I haven't been there for a very, very long time-- this city is not like Moscow at all.
那么修建圣彼得堡到底有什么重要的意义呢,我不知道你们之中有多少人去过那儿,我并没有在那个地方逗留过很久,但这座城市和莫斯科完全不一样
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