欢迎您登陆
+ 影音搜索
 
 
<2025年4月>
周一周二周三周四周五周六周日
31123456
78910111213
14151617181920
21222324252627
2829301234
567891011
听力等级

科学研究   

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...


2024-12-17   Intermediate
The Black Hole Could be Bigger Than The Universe

Keywords:

Everything in existence could be black holes all the way down. It turns out black holes are much weirder than you think and they break the universe much more than is usually explained, des...

存在的一切都可以 一直都是黑洞。 事实证明,黑洞比 你想想,他们就会更多地破坏宇宙 比通常解释的,破坏时间和 空间 – 他们实际上可能会创造无限 宇宙。但在我们能够 首先,让我们从空气中建造一个黑洞。 如果你...


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...


2024-12-10   Pre-Intermediate
SpaceX Calls New Starship Test a Success

Keywords:

SpaceX has successfully completed a fifth test of its Starship rocket system. The uncrewed test was carried out Sunday at the American space company’s launch center in Boca Chica, Texas. During the...

SpaceX 已成功完成其 Starship 火箭系统的第五次测试。无人测试于周日在德克萨斯州博卡奇卡的美国航天公司发射中心进行。 在飞行过程中,这艘 121 米高的星际飞船被 SpaceX 超重型助推火箭成功推入太空。在达到约 70...


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   Intermediate
The Technique Is Helping to Beat Back Drought, Part 2

Keywords:

What septic systems don't do, and to which they are not designed to do, is remove pretty much anything from the waste stream. In contrast, sewer systems capture all home wastewater and deli...

化粪池系统不做什么, 他们不是为了这样做的, 几乎删除了任何东西 来自废物流。 相比之下,下水道系统捕获了所有家庭 废水并交付 到中央处理设施 通过一系列管道 和泵站。 氮气 永远不会到达地下水。 ...


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...


使用须知 常见问题  

Copyright© 2015-2025 kuotuo Inc. All rights reserved  

粤ICP备12056166号-3 粤公网安备 44010602002199号

您的IP地址:3.14.252.26