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听力等级

科学研究   

2023-12-15   Intermediate
What a Plant Knows, Daniel Chamovitz, Part Two

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Chamovitz: Now we know that these same proteins have the same biological function in cells between humans and plants. In plants, when there's a mutation in it, there's an effect in photomorphogenesis...

Chamovitz:现在我们知道,这些相同的蛋白质在人类和植物之间的细胞中具有相同的生物学功能。在植物中,当它发生突变时,就会对光形态发生产生产生影响。在动物中,当它有缺陷时,就会产生影响,这是癌症的结果之一。 Steve:因为所有这些事...


2023-12-13   Intermediate
What a Plant Knows, Daniel Chamovitz, Part One

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Steve: Daniel Chamovitz--great to see you. Chamovitz: Thanks for having me. Steve: Sure, thanks for coming in. What a Plant Knows is the name of the book. Let's start there--wh...

Steve:Daniel Chamovitz——很高兴见到你。 Chamovitz:谢谢你邀请我。 Steve:好的,谢谢你进来。《植物所知道的》是这本书的名字。让我们从这里开始——植物知道什么? Chamovitz:植物知道很多。植...


2023-12-13   Video
What Would Happen If All the Continents Joined Together

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Ever seen this map? This is how Earth looked like 200 million years ago, before Pangaea, the only supercontinent on the planet, came apart. What if one day the continents joined into one g...

见过这张地图吗? 这就是地球的样子 2 亿年前, 在盘古大陆之前,唯一的超级大陆 在这个星球上,分崩离析。 如果有一天,各大洲会怎样 再次合二为一 您可以从 从北美步行到非洲? 这就是 WHAT IF,...


2023-12-11   Intermediate
What Might Happen to a Spacefaring Humanity in a Star Trek - Ⅱ

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JM: This suggests that yes, within a few centuries you could have changes on the order of different skin hues, or altered skin colors, different hair textures. But radical reshaping of the human body,...

JM:这表明,是的,在几个世纪内,你可能会发生不同肤色、肤色、不同头发质地的变化。但例如,对人体的彻底重塑。主要的身高差异,甚至新的解剖结构,这些应该需要更长的时间。这些应该需要几千年的时间。 JM:肯定有一种看法,尤其是在这个国家,在美...


2023-12-09   Intermediate
What Might Happen to a Spacefaring Humanity in a Star Trek - Ⅰ

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Cameron Smith: You bet. So far the experience of humanity in space has been very limited. We have gone up for short periods of time, we’ve gone in very small numbers. But as space access becomes cheap...

Cameron Smith:当然。到目前为止,人类在太空中的经验非常有限。我们上升的时间很短,我们的人数非常少。但是,随着太空访问变得更便宜,越来越多的人开始上升,最终我们将建立社区,我们将在那里拥有人口。然后它发生了变化,我们对它的理解将...


2023-12-09   Video
What Are You Doing With Your Life

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Wrapping your mind around your life is pretty hard, because you are up to your neck in it. It's like trying to understand the ocean while learning how to swim. On most days you are busy just k...

把你的思想包裹在你的生活上是很漂亮的 很难,因为你已经到了脖子。 这就像试图了解海洋,同时 学习如何游泳。在大多数日子里,你是 忙着让你的头露出水面。所以 弄清楚该怎么做并不容易 你的生活以及如何度过你的时间。 ...


2023-12-07   Intermediate
The Studies of G-protein-coupled Receptors, Part Three

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Normark: They have a question there. Louise: Hi, and congratulations Professor Lefkowitz. My name is Louise; I'm from the Associated Press. I'm going to ask you a very, very typical question th...

Normark:他们有一个问题。 Louise:您好,祝贺 Lefkowitz 教授。我叫 Louise;我来自美联社。我要问你一个非常非常典型的问题,我们在宣布奖品时总是会收到这个问题。您是否期望赢得这个奖项?请告诉我你是否一直在期待它...


2023-12-07   Video
What Would Happen If We Drained the Oceans

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What if we found the way to drain all the Earth's oceans through some mysterious portal at the bottom of the Mariana Trench? This is WHAT IF, and here's what would happen if we drained a...

如果我们找到 排干地球上所有的海洋 通过某个神秘的门户 在马里亚纳海沟的底部? 这就是 WHAT IF, 以下是将要发生的事情 如果我们排干了世界上所有的海洋。 海水占地球表面的 70%。 那到底有多...


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