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科学研究   常速英语

2024-12-19   Video
What If We Lost The Amazon Rainforest

Keywords:

How long would it take for the world's largest rainforest to burn down? If we don't do anything to stop it, we'll soon find out. The Amazon rainforest creates 20% of the Earth's oxygen. It's ...

世界上最大的热带雨林需要多长时间才能被烧毁? 如果我们不采取任何措施来阻止它,我们很快就会发现。 亚马逊雨林创造了地球 20% 的氧气。 它是地球上 30% 物种的家园,它拥有治疗我们一些最致命疾病的秘密。 如果我们...


2024-12-15   Video
What Would Happen If Earth Started Spinning Backwards

Keywords:

Since its formation, the Earth has been revolving west to east on its axis. If one day our planet started rotating in the opposite direction, it would no longer be the Earth as we know it. In wh...

自形成以来,地球一直绕其轴从西向东旋转。 如果有一天我们的星球开始向相反的方向旋转,那它就不再是我们所知道的地球了。 顺时针旋转会以何种方式改变地球?你为什么最终会生活在沙漠中? 这就是假设,如果地球开始倒转会发生什么。 ...


2024-12-11   Video
What Would Happen If We Extinguished the Sun

Keywords:

How much water would you need to extinguish the Sun? How would we deliver such an enormous amount of water anyway? Would all that water even make it to the star? Wouldn't it evaporate before reachi...

你需要多少水才能熄灭太阳? 无论如何,我们怎么能输送如此大量的水呢?所有这些水甚至能流到这颗星星上吗?它不会在到达太阳燃烧的耀斑之前蒸发吗? 无论你的计划是什么,都要小心。 因为试图扑灭太阳只会让它更热。 这就是假设...


2024-12-07   Video
What If We Built Cloud Cities on Venus

Keywords:

The Earth might not be here forever. A huge solar flare, an asteroid impact, or a local gamma-ray burst - anything could wipe us out for good. If we're looking for someplace to escape to, there...

地球可能不会永远在这里。 巨大的太阳耀斑、小行星撞击或局部伽马射线暴 - 任何事情都可能让我们永远消失。 如果我们正在寻找一个可以逃离的地方,那么我们的太阳系中有一颗行星与地球有些相似。 虽然我们对它了解不多。 不,...


2024-12-03   Video
What If We Lived in a Globular Cluster

Keywords:

Imagine if our night sky looked like this. Looks cool, doesn't it? Well, what's not cool, is that you'd have to live your life without electricity, cars, rockets, jewelry, or you cell phone. Thi...

想象一下,如果我们的夜空是这样的。 看起来很酷,不是吗?嗯,不酷的是,你必须在没有电、汽车、火箭、珠宝或手机的情况下生活。 这就是假设,如果我们生活在球状星团中会发生什么。 带上一些宇宙尘埃和气体, 添加数十亿个行星...


2024-12-01   Video
How Venus Fits Into the Search for Life Beyond Earth

Keywords:

(gentle music) - [Narrator] It's known as Earth's evil twin. - Venus gives us a glimpse into both our past and our future, a past where water formed and perhaps life arose before it d...

(轻柔的音乐) - [旁白] 这是已知的 作为地球的邪恶双胞胎。 - 金星让我们一瞥 进入我们的过去和未来, 水形成的过去 也许生命出现了 在地球上之前, 以及我们的未来,地球将在那里升温。 所...


2024-11-27   Video
What Would Happen If We Had Flying Cars

Keywords:

Imagine an entire network of flying cars zooming around at 2,000 meters above our congested city streets. Your morning commute would be a lot different up there: you could travel at higher speeds, ...

想象一下,一整组飞行汽车在我们拥挤的城市街道上空 2,000 米处飞驰。 您早上的通勤时间会大不相同:您可以以更高的速度行驶,几乎可以到达任何偏远的目的地。 但是,我们必须制定什么样的法律来控制天空呢? 我们如何执行这些法律?...


2024-11-23   Video
What If a Spoonful of Neutron Star Appeared on Earth

Keywords:

This is the Sun. And this is a neutron star. But don't let its size fool you. Neutron stars are massive gravitational monsters, and orbiting one wouldn't end up well for our planet....

这是太阳。 这是一颗中子星。 但不要被它的大小所迷惑。 中子星质量很大 引力怪兽 / 绕着 1 个运行不会有好结果 为了我们的星球。 但是,如果我们只吃一勺呢, 并将其运送到地球? 如此...


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