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Look at line 120. Milton writes that this choir had been singing at the moment of creation. Not bad.
看到120行，弥尔顿写到这个唱诗班是在一个,创作的时刻唱歌的，不是不好的时刻。
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This is a very good way to explain what you are doing at a given moment in time.
这个句型可以很好地解释在某一时刻你正在做些什么。
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When you're driving in your car, there's a needle and the needle says 60; that's your velocity at this instant.
当你在开车时,有一根指针指着60,表示你这个时刻的速度
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Yeasts suggests that we think of this historical moment as the Second Coming.
叶芝建议我们,把这个历史性的时刻,想成是第二次降临。
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At some point you're going to hit a well here, which is the point where it's most stabilized or at its lowest energy.
直到某一时刻，你会到达这个势阱，也就是体系最稳定,或者说能量最低的位置。
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Isaiah in this passage is describing a crucial moment in his career, his career as a prophet: the moment in which his lips are cleansed and he is empowered -- divinely empowered -- to speak prophetically.
在这一段里艾赛亚描述了一个他事业上至关重要的时刻，作为一个预言家：在这个时刻他的嘴唇被清洁干净,他被神圣得授权来预言。
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Not so easy to see. All right, but this is actually a great one of those educational moments. This is a great example to think recursively. If I wanted to think about this problem recursively- what do I mean by thinking recursively?
看不太出来，好，但实际上是一个有教育意义的时刻,这是一个很好的关于递归的例子,如果我用递归的思想,去考虑这个问题-,我该怎么用递归去解决这个问题呢？
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Then it looks like there came a moment where there was a final blow, where whatever was attempting to overthrow these cities and this civilization succeeded, but it was not the same in every place.
接着,看起来最后一击的时刻来临了,颠覆这些城市和这个文明的企图,最终还是成功了,这在各地情况都不尽相同
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That's synthesis and that has to happen in order for cells to replicate and cell replication is happening in your body all the time.
这个DNA合成过程是,细胞复制中不可或缺的部分,细胞复制时刻不停的在你身体里进行着
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You could also use this pattern to express what's happening in this very moment, very quickly.
你也可以用这个句型表达某一时刻发生的转瞬即逝的事情。
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To survive in New York City, the most important thing is to watch your back always.
生存在纽约这个城市，最重要的事情就是时刻保持小心。
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And I was actually thinking that after day in and day out, I had different idea that I wanted to do and I was going to scrap it after that.
我时刻都在思索，当有了新的想法，我就有冲动,丢下这个网站，去实践新点子。
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And I still have that question So that's something that kind of troubles me I had not seen the Afghan National Army as being national as much as I wanna it to be Yeah. Therefore when the time comes they may not do what President Karzai wants them to do?
我始终没搞清楚这个问题,这个问题一直困扰着我,我没有看到过阿富汗国防部队,如我所期待的那样具有民族意识,所以如果在危难时刻,他们有可能不听从卡尔扎伊的指挥？
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At this instant, the planet may be moving at that speed.
在这个时刻,行星可能在以这个速度运动
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It knows that this particle happened to have a height of 15, at the time of 0, and a velocity of 10, and it is falling under gravity with an acceleration of -10.
这个质点恰好处在高度为15的地方,零时刻,初速为10,并在重力作用下以-10的加速度下坠
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What that means is, if you know the velocity of the given time and you know the initial velocity, you know what time it is.
这个方程的意义是,如果你知道某个给定时刻的速度,并且知道初速度,你就能知道运动的时间
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whenever you want to express what you are doing at a particular moment in time.
当你想表达在某一时刻你在做的事情时，你都可以用这个句型。
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Therefore, mathematically at a given time t, we can trade t for v and put it into this formula.
因此,从数学角度来说,在给定的时刻 t,我们可以用 v 来表示 t,并代入这个式子
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The answer was: at any time t, the location of the particle is given by this formula.
答案是,在任意时刻 t,这个质点的位移都由这个式子给出
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Consequently, for this object the position y, at any time t is known to be 15+10t-5t^.
因此,对这个物体来说,在任意时刻的位移y,就应该为15+10t-5t^
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So this is the fate of this person at any given time t.
所以这就是这个人在任意时刻 t 的状态
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If you want to know how fast it's moving at a given time, if you want to know the velocity, I just take the derivative of this answer, which is 10-10t.
如果你想知道它在给定时刻的运动有多快,如果你想知道它的速度,我只要对这个式子求导,得到10-10t
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We know it's going around in a circle because if I find the length of this vector, which is the x-square part, plus the y-square part, I just get r square at all times, because sine square plus cosine square is one.
我们之所以知道它做圆周运动,是因为我求出了这个矢量的模长,也就是 x 的平方加上 y 的平方,我就得到了它在任意时刻的模长平方,因为正弦平方加余弦平方始终等于1
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I think you can tell by analogy with what I did in one dimension that the position of that object at any time t is going to be the initial position plus velocity times t plus one half a t square.
你们可以类比一下我在一维情况下的结论,这个物体在任意时刻 t 的位移,等于初始位移,加上 v ? t + 1/2 ? a ? t^2
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