These first, although valuable, but we also can start the second time, the second walk, the second wrestling.

这些第一次，虽然珍贵，但是我们也可以开始第二次，第二次走路，第二次摔跤…

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Walk along Second Avenue and you can see it on the right.

沿着第二大街走，你会在右边看到它。

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Walk straight on. Cross the street at the second traffic light.

一直往前走，在第二个交通灯那儿马路就到了。

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Astronaut Bobby Satcher became the second African-American to space walk.

VOA: standard.2010.02.02

Second, he looked at these people and measured how fast they walk from where their experiment was to the elevator.

第二，他观察这些人,记录他们从实验地点,走到电梯的时间。

哈佛公开课 - 幸福课课程节选

I'm given an integer that's a perfect square, and I want to write a little piece of code that's going to find the square root of it. All right so I'm cheating a little, I know it's a perfect square, somebody's given it to me, we'll come back in a second to generalizing it, so what would the steps be that I'd use to walk through it?

完美平方数的整数，我想写一段代码来求这个数的平方根,好，我这儿有点儿作弊了,我知道这是一个完美的平方数了,他们给我的，我们后面会讲怎么产生这个数的，那么我想解决这个问题,需要什么步骤呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

You see this demo the second you walk in the door, there is no way to miss it.

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Immaculate red and white tables dot the second-floor walk-up business that's usually full of Peruvian immigrants at lunchtime.

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Take the elevator to the second floor and walk through a sparsely furnished office suite and you come to a dimly lit, makeshift trading room.

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