纪录片《非洲》 第78期:撒哈拉沙漠（19）

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There he goes!

他过来了

He's gone ten centimetres in four seconds,

他4秒钟内爬行了10厘米

but we're running at 500 frames¹ a second,

但我们是500帧一秒

which is 20 times normal time.

比正常时间慢了20倍

So in fact, he's covered those ten centimetres in...

那事实上 那10厘米距离他用了...

We know that he does half a metre in one second.

我们知道他1秒钟能爬半米

Half a metre per second, yep.

1秒半米 没错

50 centimetres in one second, roughly².

大约1秒50厘米

So, how many body lengths is that?

那相当于他的几倍身长

He's maybe doing five body lengths a second,

他1秒之内能走5个身长

if he's two metres tall like I am.

如果他像我一样有2米高

Are you? Yeah. That's how much more than a normal man I am.

你有这么高 我就是比一般人高

Eventually, the duo decide that if the silver ants were our size,

换算过来 如果银蚁有人类的体型

they'd be doing 280 miles an hour.

他们可以达到280英里的时速

They're one of the fastest sprinters in the animal kingdom.

他们是动物世界中最快的短跑健将之一了

No wonder we've been struggling to film them.

难怪我们拍摄得如此困难

It does explain a few things.

那确实说明了不少事情

1 frames   

n.框架( frame的名词复数 )；眼镜框；组织；边框

参考例句：

• roughly hewn timber frames 粗劈成的木架子
• The window frames had begun to warp. 窗框已经开始变形。

2 roughly   

adv.概略地，粗糙地，粗鲁地

参考例句：

• If you treat your coat so roughly,it will be worn out soon.你如果这么糟蹋你的外套，它很快就不能穿了。
• The island is roughly circular in shape.这个岛屿大致是圆形的。