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听力等级

科学研究   

2025-02-07   Video
What If We Built a Canal Between U.S. and Mexico

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This episode starts with a proposition: how about we rip the United States and Mexico apart from each other? Geographically speaking. It would open up new trade routes that would make a ton of m...

这一集从一个命题开始:我们把美国和墨西哥分开怎么样? 从地理上讲。 它将开辟新的贸易路线,为两国带来大量利润,并可能为运河沿岸的城市创造一个全新的旅游业。 但它值得它的巨大价格标签吗?它会造成政治不稳定吗? 这就是假...


2025-02-05   Video
What If You Had to Find Baby Yoda

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One task, you have. Find Baby Yoda, you must. The tracking fob, guide you it will. Where, begin your search, would you? This is WHAT IF, and here's what would happen if You Had to Find Bab...

一项任务,您有。 找到尤达宝宝,你必须。 跟踪密钥,指导你会的。 从哪里开始搜索,你会吗? 这就是假设,如果你必须找到尤达宝宝会发生什么。 好吧,这听起来是一件容易的事。 但我们不会搜索星球大战宇宙的 5...


2025-02-03   Video
What Would Happen If Wifi Was Visible

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In today’s tech-savvy world, it’s all around you. An invisible world of electromagnetic signals and radio waves. Wi-Fi, or Wireless Fidelity, is responsible for over 60 percent of the planet’s i...

在当今精通技术的世界中,它就在您身边。 一个由电磁信号和无线电波组成的无形世界。 Wi-Fi 或无线保真 (Wireless Fidelity) 占全球互联网流量的 60% 以上。 它似乎无处不在。 然而,人眼无法察...


2025-02-01   Video
What If Earth Was Shaped Like a Donut

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On our hypothetical journey, we've already tested out living on a flat Earth, a cubical Earth, even a hollow Earth. So, what do you say we try to survive on an Earth with a giant hole in the middle...

在我们的假设旅程中,我们已经测试了生活在一个平坦的地球、一个立方体的地球,甚至一个空心的地球上。 那么,你认为我们在一个中间有个大洞的地球上试图生存什么? 像这样的星球甚至有机会适合居住吗? 它还会有月亮吗?重力将如何运作...


2025-01-30   Intermediate
How Shazam IDs Over 23,000 Songs Each Minute

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- [Narrator] More than 23,000 songs are Shazamed every minute in the world, but how does it identify the music around you, after recording just seconds of audio from your phone? Shazam h...

- [旁白] 超过 23,000 首歌曲 在世界上每分钟都被 Shazamed, 但是它如何识别 你身边的音乐, 录制仅几秒钟后 来自您手机的音频? Shazam 必须创建一个 独特的音频指纹, 你所听到...


2025-01-30   Video
What Would Happen If All Cars Were Indestructible

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Imagine if all cars behaved like this. Instead of falling apart after a single crash, what if we all had cars that were indestructible. Would there be fewer fatalities caused by car accidents? W...

想象一下,如果所有汽车都这样。 与其在一次碰撞后分崩离析,不如我们都拥有坚不可摧的汽车。 车祸造成的死亡人数会减少吗?坚不可摧的汽车是由什么制成的?这最终会是一件坏事吗? 这就是假设,如果所有汽车都是坚不可摧的,会发生什么...


2025-01-28   Video
What If Another Sun Entered Our Solar System

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With the vastness of the Universe, everything in it seems so spread out. But some objects are closer than you might realize. Every now and then, a random interstellar asteroid passes through the...

在浩瀚无垠的宇宙中,其中的一切都显得如此分散。 但有些天体比您意识到的更近。 时不时地,一颗随机的星际小行星穿过奥尔特云,奥尔特云是位于我们太阳系最边缘的冰冷碎片墙。 但是,如果一颗流氓星毫不客气地穿过 Oort 云呢? ...


2025-01-27   Pre-Intermediate
Your Body Posture Can Change Your Brain, Part 2

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The researchers found that two minutes of high-power posing lowered the stress hormone cortisol and increased levels of testosterone. Also, all the subjects in the high-power pose group said they felt...

研究人员发现,两分钟的高功率姿势降低了压力荷尔蒙皮质醇并增加了睾丸激素水平。此外,高功率姿势组中的所有受试者都表示,他们在姿势后感到强大且处于控制之中。他们在实验过程中也冒了更多的风险。 低功率姿势起到了相反的作用——它提高了皮质醇水平并...


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