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虱子是如何将你的头发变成它们的攀爬架的 – 译学馆
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虱子是如何将你的头发变成它们的攀爬架的

How Lice Turn Your Hair Into Their Jungle Gym | Deep Look

[音乐]
[Music]
它以让你发痒的方式出现
It can start as an itch.
也许就是头皮发痒
Maybe a tickle on your scalp.
它就是头虱
It’s head lice.
小而顽强
Tiny and tenacious.
由于数百万年的进化
Thanks to millions of years of evolution,
这些头虱已变得不那么容易摆脱
these suckers are not easy to get rid of.
你可能会到理发店里
You might end up in a salon,
但并不是为了剪发
but not the kind for haircuts.
头虱幼崽太小了
Young lice are so small
用肉眼几乎看不到它们
They’re almost impossible to see with the naked eye.
[音乐】
[music]
我们的头皮是它们的自助餐厅
Our scalp is their buffet.
它们以吸我们的血为生
They feed on our blood.
你可以从这只成年头虱的身体里面看到
You can see it inside this adult louse.
这正移动的褐色物质就是我们的血
It’s the brownish stuff that’s moving.
它们成功的秘诀是什么呢?
The secret to their success?
那就是它们的爪子——跗骨爪
Their claws – called tarsal claws
这个小部件叫做脊刺
and this little part called a spine.
在它的六条腿上都长着一对脊刺
A pair on each of its six legs.
它们已经进化到可以完美适应在人类头发周围生存
They’ve evolved to fit perfectly around a human hair.
[音乐]
[Music]
这些使得头虱像个行动迅速的小杂技师
They make lice into speedy little acrobats,
可以把我们的头发当绳索用
using our hair like a tightrope.
它们不能跳也不能飞
They can’t jump or fly,
但它们能跑来跑去
but they get around.
假如有两个小孩 一个有着金色头发 一个有着褐色头发 他们的头相互接触
Say two kids – one blond, one brunette – touch heads.
虱子就会从这个小孩头上跳到另一个小孩头上
The louse just scoots right over.
[音乐】
[music]
就像很久以前的跳房子游戏一样
It’s been one long game of hopscotch,
从一个人的头上跳到另一个人头上
from human head to human head.
而且这种情况只发生在人类身上
And it has to be us.
人类的头虱不能在其他动物身上生存
Our head lice can’t live on other animals.
事实上 其他灵长类动物也有它们自己的虱子
In fact, other primates have their own species of lice,
只属于它们毛发的虱子
adapted to their unique hair.
鸟类的虱子藏在它们的羽毛里
Birds have lice that hide in their feathers.
呵 舒服
Ooh.Cozy.
我们都希望虱子能消失
And we all want them gone.
普通的杀虫剂已经对付不了头虱了
Common insecticides won’t kill our head lice anymore.
它们已经产生了抗体
They’ve become resistant to them.
即使是虱子卵也有很强的适应力
Even their eggs have serious staying power,
它们像胶水一样黏在人类头发上
glued to individual strands of hair.
但头虱还是有弱点的
But lice do have a weakness.
离开了我们湿润 温暖的头皮 他们就无法生存
They can’t survive away from our moist, warm scalp.
头虱甚至不能在我们身体其他有毛的部位生存
Head lice can not even live on other hairy parts of our body.
如果你用专业的手法或是费尽心思把它们梳走
So if you – or a professional – painstakingly comb them out,
它们将在几小时内饿死
they’ll starve and die within hours
好吧 这不好笑
ok, it’s not fun.
但这只是一个与搭便车的小东西的短暂邂逅
But it’s just a temporary encounter
从生物学上来讲
with a tiny hitchhiker
这个小东西只为你而生
that is biologically destined just for you.
有人感觉痒吗?
Anyone else feeling itchy?
细想我们遇到的所有小动物 即使是不可爱的那些
Here at Deep Look we think all critters – even the less lovable ones,
比如蚊子和扁虱
like mosquitoes and ticks
也该有它们出风头的时刻
deserve their moment in the spotlight.
你同意 对吧?
You agree, right?
在Patreon上支持我们吧
So support us on Patreon.
请点击视频描述中的链接
Click that link in the description.
感谢观看
Thanks!

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视频概述

讲述了关于头虱的各个方面

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收集自网络

翻译译者

Cathy

审核员

审核员 DL

视频来源

https://www.youtube.com/watch?v=Yb26BBvAAWU

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