常速英语

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The mission of our lab is to try to unravel those secrets of how dinosaurs actually worked. The Whitmer lab has been here at Ohio University since 1995. We would run these things through a cat sc...

我们实验室的任务是试图解开这些恐龙实际上是如何工作的秘密。惠特默实验室来过这里自1995年以来一直在俄亥俄大学学习。我们会通过一个我们当地医院的猫扫描仪。所以我们可以透过骨头，弄清楚发生了什么事。我们有一个项目长期以来一直在关注这些动物是如...

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SPEAKER 1: Two groups of animals are defined as different species when individuals from one group don't mate and reproduce with those from the other. One way a species can split into two is for pop...

演讲者1：当一组动物中的个体不与另一组动物交配和繁殖时，两组动物被定义为不同的物种。一个物种可以一分为二的一种方式是种群在地理上分开。经过几代人的努力，他们可以经历足够的变化在各自的栖息地，如果和何时他们一起回来了再说一次，它们不交配。演讲...

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Let's shrink an elephant to the size of a mouse and enlarge a mouse, and make it the size of an elephant, because this is our video, and we want to see what happens. First: our now tiny el...

让我们把大象缩小到鼠标的大小把鼠标放大，做成大象的大小，因为这是我们的视频，我们想看看会发生什么。第一：我们现在的小象，蹒跚而行然后死去。小象伙伴很冷；冷冻几分钟内死亡。我们的大老鼠看起来很不舒服一会儿，然后它爆炸了。到处都是热老鼠的内脏。...

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[SAWYERS:] BCR-ABL is a kinase. I want you to watch it change. It's flipping back and forth from an active to an inactive conformation. Now, we're looking at the skeleton and you see that lo...

[锯木厂：]BCR-ABL是一种激酶。我想让你看着它改变。它从活跃的构象来回翻转到非活跃的构象。现在，我们观察骨架，你会看到一个循环，它被称为激活循环，来回移动。那么，这是什么？嗯，这恰好是一个被称为激酶的蛋白质。激酶具有去除磷酸盐作业从一...

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You’ve likely heard a lot about 5G lately. But what is it, exactly? 5G is the latest standard for mobile internet networks. Mobile telephone services have technically been around since the 1940...

你最近可能听说过很多关于5G的事情。但它到底是什么？5G是移动互联网网络的最新标准。从技术上讲，移动电话服务自20世纪40年代以来就已经存在了。但这些系统需要拨打80磅的话务员。汽车电话。而且网络一次只能处理几个电话，因为联邦通信委员会不允...

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[SAWYERS:] What do I mean by a conformational change mutation? What I mean is if you recall back to the first video, BCR-ABL is a machine. It's moving back and forth between this inactiv...

[SAWYERS:]我所说的构象变化突变是什么意思？我的意思是，如果你还记得回到第一个视频，BCR-ABL是一台机器。它正在往回走在两者之间来回这种非活动和活动的形状。这些突变是什么就是强迫蛋白质转化为活性构象。你还记得我做的当格列卫结合时...

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If you had to choose right now, how long would you want to live? 80 years? 90? 120? Longer? And do you think you'll change your mind once you reach that age? Fifty thousand years ago mo...

如果你现在必须做出选择，你想活多久？80年？90?120?比较长的？你认为一旦你到了那个年龄，你会改变主意吗？5万年前，大多数人很早就去世了。当我们学会如何利用周围的资源来对待自己时，情况变得越来越好。如今，人类比以往任何时候都活得更长、更...

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ANDREW BERRY: Evolution by natural selection. This is an idea that has been sought after since the dawn of human thought. And it was a theory that was discovered by two people, and we've...

安德鲁·贝里：自然选择的进化。这是一个想法自拂晓起便备受追捧人类思想。这是一个理论由两人发现，我们玩得很开心忘记了其中一个。到底发生了什么事可怜的老阿尔弗雷德·拉塞尔·华莱士？乔治·贝卡洛尼：阿尔弗雷德·拉塞尔·华莱士生于1823年在一间小...