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听力等级

科学研究   

2024-10-30   Video
What if Earth Had Rings Like Saturn

Keywords:

Jupiter. Uranus. Saturn. Earth? Sadly, the Earth didn't make it onto the list of the Solar System's ringed planets. If it did, would it still be able to host life? This is WHAT IF, ...

木星。 天王星。 土星。 地球? 遗憾的是,地球没有进入太阳系的环状行星名单。 如果是这样,它还能承载生命吗? 这就是 WHAT IF, 以下是将要发生的事情 如果地球有像土星一样的光环。 ...


2024-10-28   Intermediate
Did We Domesticate Plants, Part One

Keywords:

(birds chirping) (cowbell ringing) (owl hooting) (footsteps) (music) - If you had sort of rolled up to Çatalhöyük over 9,000 years ago, as you came across the landscape you see ...

(鸟儿鸣叫) (牛铃响起) (猫头鹰叫声) (脚步声) (音乐) - 如果你有 卷到 ?atalh?yük 9000 多年前,作为 遇到了风景 你看到这个大土丘了吗 in,在远处 公元前...


2024-10-24   Video
What Would Happen If We Moved the Earth

Keywords:

Five billion years from now, the Sun will expand and become a red giant. And the Earth might be just in the way... If humans were still around then, would we leave Earth? Or would we move it? ...

50 亿年后,太阳将膨胀并变成一颗红巨星。 而地球可能就在挡路...... 如果那时人类还在,我们会离开地球吗?还是我们会移动它? 这就是假设,这就是如果我们移动地球会发生什么。 太阳的问题到底是什么? 嗯,就...


2024-10-21   Pre-Intermediate
Japanese Experiment Breaks Record for Internet Traffic Speed

Keywords:

Japanese researchers say they have broken the world speed record for sending internet data. The recent experiment involved sending data over fiber-optic lines enclosed inside cables. Fiber optic tech...

日本研究人员表示,他们已经打破了发送互联网数据的世界速度记录。 最近的实验涉及通过封闭在电缆内的光纤线路发送数据。光纤技术是目前传输或传输 Internet 数据的最快方式。 光纤电缆使用光信号远距离发送数据。纤维材料非常薄,大约是人类...


2024-10-20   Video
What If Earth’s Atmosphere Was Pure Oxygen

Keywords:

Imagine, striking a match and having everything around you catch on fire. Even if you were standing in a wet forest. And while that's happening, imagine being chased by giant insects. ...

想象 划火柴,拥有身边的一切 着火了。 即使你站在潮湿的森林里。 当这一切发生时, 想象一下被巨型昆虫追赶。 这些只是其中的一小部分 将要发生的事情 如果你生活在一个 大气层是纯氧。 地球...


2024-10-12   Intermediate
The Search for Life Among the Stars, Part 6

Keywords:

Lee Billings: Maybe we can actually go out and find some of these life-bearing planets or potentially habitable planets out there. Maybe we can actually get those pale blue dots faster, better, and ...

Lee Billings:也许我们真的可以出去,找到一些孕育生命的行星或潜在的宜居行星。也许我们实际上可以更快、更好、更便宜地获得那些淡蓝色的点,对吧,无需 NASA 参与。我真的不知道这是否属实,但这肯定是目前正在发展和酝酿的事情,我认为...


2024-10-10   Intermediate
The Search for Life Among the Stars, Part 5

Keywords:

Lee Billings: You can have these things work in synergy, and we’ve seen this before with the space shuttle and the Hubble telescope. The reason why the Hubble telescope revolutionized so much of sci...

Lee Billings:你可以让这些东西协同工作,我们之前在航天飞机和哈勃望远镜上已经看到过这种情况。哈勃望远镜之所以彻底改变了如此多的科学领域,为什么它取得了如此巨大的成功,尽管作为人们,你知道,我和你的年龄会记住,尽管一开始是一个巨大...


2024-10-10   Video
What If the Earth Collided With Another Planet

Keywords:

What a view... The air over here is especially... Wait, what is this doing here? This is WHAT IF, and here's what would happen if another planet smashed into Earth. About 50 billi...

多么美丽的景色...... 这里的空气特别...... 等 这是做什么的? 这就是 WHAT IF, 以下是将要发生的事情 如果另一个行星撞上地球。 大约 500 亿个流氓行星 在银河系中漫游...


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