And that you might look at, for example, that first example, and say, man by this stage it was already sorted, yet it had to go through and check that the third element was in the right place, and then the fourth and then the fifth and then the six.

你可能会去看看例如第一个例子，然后要抱怨，到这里,它已经是排好序的了,但他还是得去遍历查看,第三个元素是不是在正确的位置,然后第四个，第五个，第六个。

麻省理工公开课 - 计算机科学及编程导论课程节选

to get a first down as it's called or second and third and fourth down.

去拿下所谓的第一个10码进攻，然后是第二个，第三个，第四个。

美式足球 - SpeakingMax英语口语达人

Let's go back to the model, add in an extra candidate, and see what happens.

我们回到最初的模型,然后加入第三个候选人,看看结果会怎么样

耶鲁公开课 - 博弈论课程节选

s1 So for the fourth period, now we're into the 4 s 1 3d for potassium here. And what we notice when we get to the third element in 4s2 and the fourth period is 3d that we go 4 s 2 and then we're back to the 3 d's.

对于第四周期到现在我们来到钾的1,然后我们返回到,我们注意到当我们看到第三个元素,第四周期我们来到,然后我们返回到。

麻省理工公开课 - 化学原理课程节选

The reason that 3' is important is that when you polymerize two nucleotides together and a third nucleotide, and a fourth nucleotide, when you polymerize nucleotides together they get polymerized, the phosphate of one gets linked to the 3' carbon of another.

'碳部位重要是因为,当你把两个核苷酸聚合在一起,然后再聚合第三个,第四个的时候,核苷酸在聚合时,磷酸基与另外一个戊糖的3'碳部位连接

耶鲁公开课 - 生物医学工程探索课程节选

So we'll put one as the first element, maybe a is the second element.

可能a可以作为第二个元素，然后第三个元素也是1，然后返回。

麻省理工公开课 - 计算机科学及编程导论课程节选

We then have the 1 s 2 electron, and what is our third electron going to be?

然后是1s电子，那么第三个电子会是什么呢？是的？

麻省理工公开课 - 化学原理课程节选