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  • It can start as an itch.

    從搔癢感開始。

  • Maybe a tickle on your scalp.

    或許是頭皮會癢癢的。

  • It's head lice.

    那可能就是頭蝨了。

  • Tiny and tenacious.

    微小又堅韌。

  • Thanks to millions of years of evolution, these suckers are not easy to get rid of.

    經過了數百萬年的進化,這些混蛋可難除掉了。

  • You might end up in a salon, but not the kind for haircuts.

    你最後可能會到髮廊去,但可不是去剪頭髮。

  • Young lice are so small they're almost impossible to see with the naked eye.

    頭蝨幼蟲非常小隻,用肉眼幾乎看不到。

  • Our scalp is their buffet.

    我們的頭皮就是他們的自助大餐。

  • They feed on our blood.

    牠們以我們的血液維生。

  • You can see it inside this adult louse.

    你可以從這隻成年蝨子的身體裡看出來。

  • It's the brownish stuff that's moving.

    那棕色在動的東西就是我們的血。

  • The secret to their success?

    牠們成功的秘訣是?

  • Their claws, called tarsal claws, and this little part, called a spine.

    就是牠們的爪子,叫做跗骨爪,而這個小部分,稱作脊刺。

  • A pair on each of its six legs.

    六隻腳上都各有一對。

  • They've evolved to fit perfectly around a human hair.

    它們已經進化到可以完美抓緊人類的頭髮。

  • They make lice into speedy little acrobats, using our hair like a tightrope.

    這爪子讓蝨子變成敏捷的雜技演員,把我們的頭髮當成鋼索。

  • They can't jump or fly, but they get around.

    牠們不會跳也不會飛,但牠們還是到處跑。

  • Say two kids, one blonde, one brunette, touch heads.

    假設兩個孩子,一個金髮、一個棕髮,他們頭碰頭。

  • The louse just scoots right over.

    蝨子馬上就抓緊機會溜過去了。

  • It's been one long game of hopscotch, from human head to human head.

    這就像是玩不完的跳格子遊戲,只是是從一個人的頭跳到另一個人的頭。

  • And it has to be us.

    而且還一定得是人類。

  • Our head lice can't live on other animals.

    我們的頭蝨無法在別種動物上生存。

  • In fact, other primates have their own species of lice, adapted to their unique hair.

    事實上,其他的靈長類也有專屬的蝨子,各自為動物特殊的毛髮進化。

  • And birds have lice that hide in their feathers.

    鳥類也有蝨子會躲在牠們的羽毛裡。

  • Ooh.

    噢。

  • Cozy.

    舒適。

  • And we all want them gone.

    而我們都想要蝨子消失。

  • Common insecticides won't kill our head lice anymore.

    一般的殺蟲劑已經殺不死牠們了。

  • They've become resistant to them.

    牠們已經免疫了。

  • Even their eggs have serious staying power, glued to individual strands of hair.

    連牠們的卵都有堅強的能力,可以緊緊黏在頭髮上。

  • But lice do have a weakness.

    但蝨子並不是沒有弱點。

  • They can't survive away from our moist, warm scalp.

    牠們少了我們濕潤、溫暖的頭皮就活不下去了。

  • Head lice cannot even live on other hairy parts of our body.

    頭蝨甚至也無法在人類其他毛絨絨的部位生存。

  • So if you, or a professional, painstakingly comb them out, they'll starve, and die within hours.

    如果你,或請一個專家,不辭辛勞地將牠們一隻一隻梳出來,牠們幾小時內就會餓死。

  • Okay, it's not fun.

    好吧,這不有趣。

  • But it's just a temporary encounter with a tiny hitchhiker that is biologically destined just for you.

    這只是一場和搭便車的小東西的短暫邂逅,而以生物學來說,牠是為了你而存在的。

  • Anyone else feeling itchy?

    頭開始癢了嗎?

  • Here at Deep Look we think all critters, even the less lovable ones, like mosquitoes and ticks, deserve their moment in the spotlight.

    在 Deep Look 頻道,我們認為所有生物,就算是人人喊打的,如蚊子與蝨子,也值得在鎂光燈下發光發熱。

  • You agree, right?

    你也同意吧?

  • So support us on Patreon.

    那就在 Patreon 上支持我們。

  • Click that link in the description.

    點下敘述欄的連結。

  • Thanks!

    謝啦!

It can start as an itch.

從搔癢感開始。

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C1 高級 中文 美國腔 蝨子 頭皮 頭髮 抓緊 爪子 進化

頭很癢?或許是頭蝨在你的頭上玩耍! (How Lice Turn Your Hair Into Their Jungle Gym | Deep Look)

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    Mackenzie 發佈於 2020 年 07 月 02 日
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