"It is not just a case of understanding the activity at the volcano itself, what we are also seeing the effect of at the moment are the prevailing weather conditions because we are in a northerly air stream at the moment and that is bringing the volcanic dust from Iceland down over the U.K.
VOA: standard.2010.04.15
It seems like the moment you begin to look at this question, you were just like peeling the onion.
感觉你们在看待这个,问题时,就像剥洋葱一样。
But at the moment, it's just France and Belgium.
但是现在,只有法国和比利时。
But again, that we will supply for you on the exam just in case you forget it at that moment.
但在考试中我们会给出这个值,以防你当时忘记了。
> So if you want to just hang here for just a moment let's walk through the problem at hand.
你拿着这本书,我们来看一下这个问题。
Milton has just been entertaining the glorious moment of the apocalypse at the end of time because he's always looking further and further and further ahead.
弥尔顿刚要享受,基督启示最后这一辉煌的时刻,因为他总是不断努力朝前看。
Just imagine a philologist being confronted with the idea that the meaning of words at a certain historical moment isn't the only thing that matters in understanding the meaning of a poem.
想象一下,一个语言学家看到一个理论指出,一个字在特定历史阶段的语义,不是影响诗歌意思理解的,唯一因素。
We don't need to know what the particular notes are, but let's look at this just for a moment because it works well as a prototype of melody.
我们不必确切地知道这些音符是什么,但是还是让我们来看一下,因为它简直就是旋律的典范
I have no idea what's here at the moment so I'm just going to draw a question mark because that memory might have been used previously for some other purpose, but we know it's currently available to us so we have four bytes of memory.
我不知道在此刻这里是什么,所以我画一个问号,因为那块内存可能在之前,为其它的目的而使用过,但是我们知道它可以为我们所使用,这样我们就有4个字节的内存。
So, at the very top of the file I'm just copying and pasting what was essentially on the slide a moment ago.
在这个文件的顶端,我只是做了复制和传递。
Composed 1629" -- whether or not that's actually true, and there's some controversy about that -- but nonetheless, the subtitle announces to all who know John Milton that the poet was twenty-one years old at the moment of its composition and that he had therefore just reached his majority.
作于1629“-不管它是否属实,尽管对此也有一些争议,但它向所有知道他的人宣告,诗人创作这首诗时只有21岁,因此他已经超过了多数同龄人。
And so when you start to poke around the puzzle pieces, you see that it can say things, we'll see movement in just a moment and sound and so forth, but at the end of the day, this is just like the program we used a moment ago for the sock exercise where we just hold Philip a step after step after step, do this, do this, do that, and yet, here too, we already see an opportunity for that thing we called the loop.
如果你认真看下这些拼图,你会发现它都是一些移动,并发出声音的功能块,就像我刚才的,练习程序一样,我们让飞利浦做这个动作,做那个动作,跟这里的情况一样,我们已经看到了称为循环的东西。
Let me go ahead and just sort the left half at the moment.
那我现在先只对左半部分进行排序。
I was just finding very tunnel vision-like, the smallest elements at that moment in time which means I don't know anything about the other elements other than they are not the smallest and so no matter what with Selection Sort I had to repeat this again and again and again and if you do out the math it's roughly N squared steps in the worst case as well.
我只有一个狭窄的视野,只知道某时刻的最小元素,就意味着我并不知道其他元素的任何情况,只知道它们不是最小的,所以不管怎样,在选择排序中,我就得一遍一遍地重复选择过程,在最坏情况下,大概需要N的平方次比较。
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