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地球的结构 – 译学馆
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地球的结构

Structure Of The Earth | The Dr. Binocs Show | Educational Videos For Kids

Dr. Binocs..
望远镜博士
Dr. Binocs!
望远镜博士
Oh, hello friends!
噢 你好 朋友们
The best part of a pizza is its crust!
披萨饼最棒的部分就是它的外皮了
Hmm… yummy…
嗯 好吃
Just like this pizza,
就像比萨一样
the earth too has a crust,
地球也有一层外皮
but with no cheese in it.
只是里面没有奶酪
Hahaha…
哈哈哈
So let’s learn something about the structure of the earth today.
今天我们就来了解一下地球的结构吧
It consists of the Crust, Mantle and Core!
地球是由地壳 地幔和地核组成的
Zooooom in!
咱们把镜头拉近
This is the Earth’s Crust.
这是地壳
It consists of
组成地壳的是
all kinds of rocks, soil
各种岩石 土壤
and everything you see above the earth’s surface!
以及 地球表面所有的东西
You will be surprised to know that the crust,
你会惊讶地发现地壳
that is the land on which we walk
也就是我们脚下的陆地
is almost three times thicker than the crust under the oceans.
几乎比海底的地壳要厚上三倍
And it extends to about 25 miles.
其厚度大约有25英里
The earth’s crust floats on this layer which is called the Mantle.
地壳下面这层结构 被称为地幔
It is made of thick, solid, rocky substance
地幔是由厚实的岩石物质组成的
And amounts to about 85% of total mass of earth.
地幔约占地球总质量的85%
The first 50 miles of the mantle
最初五十英里的地幔
consist of very hard, rigid rocks.
是由坚硬的岩石构成
The next 150 miles
之后150英里的地幔
are made up of super-hot solid rocks.
是由极热的固态岩石构成
Below that
再往深处
for the next several hundred miles the earth’s mantle
接着数百英里的地幔
is believed to be
则被认为是
made up of very solid and sturdy rock materials.
由异常坚固的岩石材料构成
The mantle is about 1800 miles thick
地幔厚度大约有1800英里
and by far the largest layer of earth.
是地球结构中最厚的部分
The earth’s outer core
构成地球外核的
is made up of super-hot liquid molten substance
是温度超高的被融成液态的物质
called Lava.
它被称为熔岩
This lava is believed to be made of iron and nickel.
人们认为熔岩的成分是铁和镍
It extends to a depth of 3000 miles beneath the earth’s surface.
地球外核厚度达到了3000英里
And finally, we have reached earth’s inner core.
最后 我们抵达了地球内核
The inner core extends another 900 miles towards the center of the earth.
内核的边界距离地球中心有900英里
It is believed that this inner core
人们认为地球内核
is a solid ball made of iron and nickel.
是一个由铁和镍组成的固态球体
Trivia Time
小常识时间
The crust occupies less than 1% of earth’s volume.
地壳在地球体积中的占例低于1%
The inner core is the hottest part of the earth
内核是地球最热的部分
and it is as hot as the surface of the sun
已经达到了太阳表面的温度
Surprising, isn’t it?
让人很惊讶 不是吗?
Looks like it’s time for me to Zoooom out
看来我该在被烤熟前
Before I get baked in this heat.
把镜头推远结束本期视频了
Tune in next time for more fun facts!
记得下次来收听更多有趣的话题哟

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视频概述

我们赖以生存的地球很熟悉吧?但你了解其内部结构吗?不妨和我们一起去看看吧!

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视频来源

https://www.youtube.com/watch?v=eXiVGEEPQ6c

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