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如果世界失去氧气五秒钟会怎样

What If the World Lost Oxygen for Five Seconds

The world lost oxygen for 5 seconds?
假如失去氧气5秒钟会怎么样?
Imagine if all the Earth’s oxygen disappeared.
想象一下 如果世界上没有氧气
Not forever, just for say, 5 seconds?
只是在5秒内没有氧气 而不是永远没有
Would we just hold our breath?
我们还能呼吸吗?
What would happen to the atmosphere?
大气层会有什么变化?
What would happen to the environment?
环境又会有什么变化?
This is WHAT IF,
这里是《自然无常》
and here’s what would happen if the world
让我们来看看 如果世界仅失去氧气5秒
lost oxygen for just 5 seconds.
会发生什么
Take a nice deep breath.
做一次深呼吸
Feel how satisfying that is?
感到满意了吗?
What you’re breathing in is oxygen,
你吸入的是氧气
that takes up roughly 21% of our atmosphere,
它在大气层中约占21%
with 78% being nitrogen.
而78%是氮气
Although it’s not the most abundant gas in our atmosphere,
虽然氧气不是大气层中含量最高的气体
it is the most important.
但它是最重要的
Without oxygen, plants, animals, water,
如果没有氧气 植物 动物和水
and us humans wouldn’t be where we are today.
以及我们人类都不能像现在这样
5 seconds may not sound like a whole lot of time to be without oxygen.
没有氧气的5秒钟看似不长
Most of us can go at least 30 seconds without taking a breath, so…
大多数人都能闭气至少30秒
It would happen too fast for your body to even notice.
短短5秒很难引起你的注意
Your breathing would actually remain normal.
你的呼吸仍保持正常
But as for everything else?
但是对其他事情又有何影响呢?
Not so much.
影响很大
In just 5 seconds, the Earth would look completely different.
在5秒钟内 地球会变得面目全非
Without oxygen, you can say goodbye to the Hoover Dam,
没有氧气 你就再也见不到胡佛坝
the Pantheon Dome and anything else made out of concrete.
万神殿圆顶和其他混凝土建筑
These structures would instantly collapse.
它们都会瞬间倒塌
Oxygen acts as a special binding agent to concrete.
氧是混凝土的一种特殊结合剂
Without it, concrete is just dust.
没有氧 混凝土只是灰尘
Speaking of buildings,
说到建筑
any untreated metal would be instantly be fused together.
所有未经处理的金属都会立即熔合在一起
This is because there’s a layer of oxidation on metals
这是因为金属表面有一层氧化膜
that prevents them from welding together.
阻止它们熔合
Without that layer, metals would instantly bind to each other.
没有氧化膜 所有金属都会熔合
If you happen to be relaxing at the beach at the time,
那时如果你在海滩上放松
expect a severe sunburn.
会被严重晒伤
The ozone layer, our protection against the sun’s UV rays, is made of oxygen.
氧气组成的臭氧层使人免受紫外线伤害
Take away the oxygen, and the Earth would become extremely dangerous.
没有氧气 地球会变得极度危险
There would nothing protecting us from the sun’s UV rays.
没有东西能阻挡我们受紫外线伤害
In addition to a sunburn, our inner ear would explode.
除了晒伤 我们的内耳也会爆炸
Losing oxygen means losing 21% of our air pressure.
氧气消失会导致气压降低21%
A change in air pressure that drastic
气压的变化如此剧烈
is equivalent to being at sea level and dropping down 2000 meters instantly.
相当于本来在海平面 突然下潜2000米
Our ears wouldn’t have enough time to adapt.
我们的耳朵没有足够的时间适应
Having a good time yet?
现在感觉还好吗?
Well, don’t expect it to last long.
它不会持续太久
Without oxygen, there’s no fire.
没有氧气就没有火焰
The combustion process in vehicles won’t be able to occur.
汽车发动机不能点火
Any mode of transport that isn’t electric will automatically fail.
所有不用电力的交通工具都会自动熄火
Planes will fall from the sky,
飞机从空中坠落
and millions of cars will be stopped in their tracks.
数百万的汽车将在途中停下
The sky would be completely dark.
天空完全变黑
Before it hits the earth, light from the sun bounces off multiple particles in the air.
光在到达地球前 被空气中的多种粒子反射
Without oxygen in the atmosphere, there are less things to bounce off,
如果大气中没有氧气 用以反射光的东西减少
and the sky will appear dark.
天空就会变得黑暗
Oh yeah, and while all this is happening,
还有 在这些事情发生的同时
the Earth’s crust would completely crumble.
地壳会完全崩塌
That’s because Earth’s crust is made up of 45% oxygen.
这是因为组成地壳的成分中 有45%是氧
The crust would crumble and continue to crumble,until there’s nothing left
地壳会持续崩塌 直到没有任何东西留下
sending you and everyone on the planet into a free-fall.
让你和地球上的所有人体验一次自由落体
Sound like fun?
听起来很好玩?
Probably not.
实际上不是
But luckily you can take a deep breath of 21% oxygen,
但幸运的是 你可以做一次含氧21%的深呼吸
knowing that this will never happen.
知道没有氧气这件事永远不会发生
For more things that are fun to speculate on,
想思考更多有趣的事情
keep checking back with WHAT IF.
请继续关注《自然无常》

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视频概述

短短的五秒钟会对我们的生活有什么影响?我们能感觉到吗?

听录译者

收集自网络

翻译译者

Dithyrambus

审核员

审核员YY

视频来源

https://www.youtube.com/watch?v=rdt85jgRHt0

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