What makes the endeavor challenging, if not the size of the archive, is its composition: billions and billions and billions of tweets.
使这一努力具有挑战性的如果不是档案库的大小，就是它的构成成分——数十亿计的推讯。
We can't measure it over billions of years or over billions of light years, but we can measure it to very, very high precision in the laboratory.
我们无法回到数十亿年以前或到数十亿光年以外的距离进行衡量，但我们可以在实验室以非常，非常高的精度测量它。
They were already handling billions of searches a day, now they are handling billions of individual small searches with each keystroke.
他们每天要处理数十亿的搜索，现在通过每一次击键他们可处理数十亿单独的小搜索。
A protein made up of just 100 amino acids could take on an endless number (billions upon billions) of shapes.
一个仅由100个氨基酸组成的蛋白质可以呈现无数(数十亿以上)个形状。
Even though some of these elements take billions of years to decay (on average), the Earth has been around for billions of years!
虽然它们中有些元素发生衰变(平均)要历经数十亿年，地球的存在也只有数十亿年历史！
Rain forests like those in Madagascar contain billions and billions of tons of carbon; destroying the trees and releasing the carbon not only kills local species but also speeds global warming.
像马达加斯加这样的雨林蕴含数十亿顿碳；毁掉树林以及毁林过程中释放出的碳不仅会毁灭当地物种，还会加速全球变暖。
Such encounters between dwarf galaxies are normally seen billions of light-years away and therefore occurred billions of years ago.
矮星系之间的如此遭遇通常发生在几十亿光年之外，也就是几十亿年之前。
The Internet connects billions of computers in trillions of ways, just as a human brain connects billions of neurons in trillions of ways.
互联网把数十亿计算机联接在一起，其路径以万亿计。人类大脑也是把数十亿神经元联接在一起，其通路也是上万亿。
Rather than 4.3 billion address limitation of IPv4, IPv6 has enough addresses that every single person on the planet could have billions upon billions assigned to them personally.
而不会像IPv4的43亿地址极限，IPv6有足够的地址，给地球上的每一个人都会分配到数十亿。
Over billions of light years and looking back billions of years in time, we now know that the fine-structure constant hasn't changed any more than about .001 percent.
在那几十亿光年以外的地方，回头看数十亿年时间，我们现在知道，这个精细结构常数并没有任何超过1/100000。
Their assets total $1 trillion, their annual revenues run into the tens of billions, and their profits are in the billions, which they distribute liberally among themselves.
他们的总资产达到一万亿美金，他们的年收入达几百亿美金，利润几十亿，而他们得到了其中的大部分。
Billions upon billions of dollars.
想想那数十亿的美元吧。
Today, it connects billions of devices and billions of people. It moves information at ever-increasing speeds along a nearly infinite set of pathways, shortening distances and eliminating borders.
如今，互联网连接着数十亿的设备和人员，沿着几乎是无数条路径以不断加快的速度传递着信息，从而缩短了距离，取消了国界。
If astronomers could observe metallicity gradients in spiral galaxies billions of light-years away, we could see how steep the gradients were billions of years ago and thus how they change over time.
如果天文学家能够观测到十亿光年外的螺旋星云的金属丰度梯度，我们就可以知道亿万年之前的梯度有多大，因此也就可以知道它是如何随时间变化的。
Most of it is still there, frozen solid in, among other things, the rings of Saturn, Jupiter's moon Europa, the bodies of Neptune and Uranus and billions upon billions of comets.
这些水分至今还以冰冻的形式存在于土星环，木星的卫星欧罗巴，海王星、天王星以及数以十亿计的彗星之中。
You'd have to set billions, hundreds of billions of thoughts in motion.
在你的大脑里也许正有数十亿，数百亿个想法在运转中。
Billions and billions of dollars.
数以十亿计的美元投入。
'if life can evolve, it's going to have billions and billions of years to adapt to the surface.
如果Gliese 581g上的生命也能进化，它肯定是花费了数亿年的时间来适应行星表面。
They found millions and millions of galaxies, each of which contained billions and billions of stars.
他们发现了数百万的星系，而每一星系有着数以亿计的恒星。
With what amounts to billions of CAPTCHA solutions already processed and billions more to come, Google is breeding the next generation of 'bots that will fool the systems it has just deployed.
随着达十亿验证码解决方案的得到处理，随之而来的将是几十亿，谷歌正在孕育新一代“可以骗过它自己刚刚设置系统的机器人”。
To overcome them, we spend billions upon billions of dollars every year on cosmetics, diet products, fashion, and plastic surgery.
为了克服缺陷，我们每年都要花费几十亿美元--在化妆品、减肥食品、流行时尚与整容手术上。
Does the prospect of literally billions and billions of dollars of potential business - much of it hiding in plain sight - seem like a huge but largely untapped avenue for sign professionals?
对标识专业制作商而言，大多潜在数十亿美元的业务前景，难道真的是遥不可及的吗？
To overcome them, we spend billions upon billions of dollars every year-on cosmetics, diet products, fashion, and plastic surgery.
为了克服缺陷，我们每年都要花费几十亿美元——在化妆品、减肥食品、流行时尚与整容手术上。
And the checkups consume billions, although no one is sure exactly how many billions because of the challenge of measuring the additional screenings and follow-up tests.
体检耗费了数以十亿计的美元，但具体数字难以得出，因为无法知道，额外的筛查和后续测试又花费了多少钱。
The center of the star collapses in on itself, billions upon billions of tons of star stuff crashed smaller and smaller until the whole star is squeezed to a single microscopic point.
恒星的中心坍塌后，数以万亿吨计的恒星物质通过不断的挤压，变得越来越小，直至最后缩成一个小点。
"Not forever," said Jerrodd, with a smile. "it will all stop someday, but not for billions of years." Many billions.
“不是永远，”贾诺德笑了一笑说，“有一天这一切都会停下来，但那是在几十亿年之后了，好几十亿年。”
Alex: It's like billions and billions of helicopters.
亚历克斯：就像十亿直升机。
Alex: It's like billions and billions of helicopters.
亚历克斯：就像十亿直升机。
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