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听力等级

科学研究   

2024-03-16   Video
Let’s Travel to The Most Extreme Place in The Universe

Keywords:

The universe is pretty big and very strange. Hundreds of billions of galaxies with sextillions of stars and planets and in the middle of it all there is earth, with you and us. But as enormo...

宇宙相当大,非常奇怪。 数千亿个具有六分位数的星系 恒星和行星的 一切都是地球,与您和我们同在。 但是,尽管宇宙看起来非常巨大 向上,当你开始时,它似乎变得更大 向下看。 你高耸在世界里的世界, 在 wo...


2024-03-14   Intermediate
Is There a Doctor in the Spaceship, Part Two

Keywords:

Michael Barratt: How do you build satellites in space? We – actually, we don’t build satellites in space. That doesn’t mean that we couldn’t someday, but right now we build them in factories on th...

Michael Barratt:您是如何在太空中建造卫星的?我们 – 实际上,我们不在太空中建造卫星。这并不意味着有一天我们不能,但现在我们在地面的工厂中建造它们,然后将它们发射到太空中,实际上我们已经从空间站发射了一些非常小的卫星。但最终...


2024-03-14   Video
Space Manufacturing is Not Science Fiction

Keywords:

Venus is often called Earth's sister planet, but I would like to say that it's Earth's evil twin because it actually has a very hellish environment. Surface temperatures are around 4...

金星是 通常被称为地球的姊妹行星, 但我想说的是 它是地球的邪恶双胞胎 因为它 其实环境非常地狱。 表面温度约为 480 摄氏度。 表面压力约为 90 倍 压力 我们在地球上体验到...


2024-03-12   Intermediate
Is There a Doctor in the Spaceship, Part One

Keywords:

Michael Barratt: You could never have enough time looking out the window. I think everybody becomes a student of geography just when you're over your home planet. Steve Mirsky: That's Micha...

Michael Barratt:你永远都没有足够的时间看窗外。我认为,当你在你的家乡星球上空时,每个人都会成为地理学的学生。 Steve Mirsky:我是 Michael Barratt。正如您可能猜到的那样,他是一名宇航员。2009 ...


2024-03-12   Video
What Would Happen If We Had Two Suns

Keywords:

There are sunsets on other planets even more spectacular than the ones on Earth. What if we could see not just one, but two suns falling below the Earth's horizon? This is What if, and here...

其他星球上甚至有日落 比地球上的更壮观。 如果我们不仅能看到一个,而且能看到 两个太阳落到地球地平线以下? 这是 What if 以下是将要发生的事情 如果我们有两个太阳。 并非所有星系 围绕单个星形形成...


2024-03-10   Intermediate
A True Crime Story and the Birth of Forensic Science - Ⅵ

Keywords:

Steven Berkowitz: Despite some people speaking up at the trial on behalf of Vacher not being legally responsible, did Lacassagne’s view hold sway? Douglas Starr: Yes. To read the transcr...

Steven Berkowitz:尽管有些人在审判中代表 Vacher 不负法律责任,但 Lacassagne 的观点是否具有影响力? Douglas Starr:是的。阅读笔录和后续上诉令人着迷。我的意思是,首先,有一整套关于法律责任和...


2024-03-10   Video
Why You Are Lonely and How to Make Friends

Keywords:

Friends make life good. They provide the scaffolding that makes it not just bearable but fun. They give us a sense of meaning and purpose and are a source of security, self esteem and ha...

朋友让生活变得美好。它们提供 脚手架,使其不仅可忍受 但很有趣。它们赋予我们意义感 和目标,是安全的来源, 自尊和幸福。几乎没有预测 你会有多高兴,因为你感觉到你的联系有多紧密 并且缺乏社交联系是相关的 患有多种疾...


2024-03-09   Pre-Intermediate
The Importance of Early Contact with Languages - Ⅱ

Keywords:

The World Health Organization says iron deficiency is the most-common micronutrient disorder worldwide.WHO officials also say iron deficiency is a leading cause of anemia.About two billion people suff...

世界卫生组织表示,缺铁是全球最常见的微量营养素疾病。世卫组织官员还表示,缺铁是贫血的主要原因。大约有 20 亿人患有这种疾病,据信 40% 的学龄前儿童患有贫血症。20% 的孕产妇死亡部分与低铁水平有关。专家表示,儿童生命的前三年是语言和言...


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