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108、什麼是病毒?
What Is A Virus ?
往期回看
Hey friends, I’m not feeling too well today.
嘿 朋友們 我今天感覺不太舒服
I think I have a cold…
我想我感冒了
Well, I guess it is a good time to tell you about what causes cold
我覺得這是個好機會來告訴你們感冒
and many other such diseases.
和其它類似的疾病是由什麼引起的
Sorry.
對不起
And that’s why,…
這就是為什麼
We』ll talk about Virus!
我們來談談 病毒!
ZooZoooo..ZOOOOOMINNNNN!
放 放 放大
You know that a bacterium is a very tiny organism, right?
你知道細菌是一種非常小的生物 對吧?
Well, a virus is so small,
不過 病毒更小
that its invisible to even a bacterium.
甚至細菌都看不見它
This is how it is able to infect the tiny bacterium
這就是為什麼它能夠感染微小的細菌
and the cells in our bodies.
和我們體內的細胞
Unlike the bacterium, the virus has no cytoplasm.
與細菌不同 病毒沒有細胞質
Or a nucleus
或細胞核
or anything resembling a cell.
或者任何類似細胞的東西
It has a very basic structure of the DNA
它有一個非常基本的DNA結構
covered by an outer protein shell and some fats.
被一層蛋白質外殼和一些脂肪所覆蓋
That’s why viruses can’t even be considered organisms at all.
這就是為什麼病毒甚至不能被稱作是生物體
They are not actually living.
它們並不是生命體
They float around like debris in space
它們像太空中的碎片一樣四處飄浮
waiting to contact a host.
等待著與宿主接觸
And only once they enter a host,
只有進入宿主體內
can they reproduce!
它們才能複製!
This is where the true terror of Viruses is seen!
這就是病毒的真正可怕之處!
once inside,
一旦進入宿主體內
these little fellas hijack the cells of the organism
這些小傢伙就會通過從細胞膜進入
by entering through the cell membrane.
來劫持宿主細胞
Once they do,
一旦它們這樣做了
the virus takes over the protein building structures of the host cell.
病毒就接管了組成宿主細胞結構的蛋白質
and forces them to replicate the virus instead.
迫使宿主細胞轉而複製病毒
The poor cell unknowingly
可憐的細胞不知不覺地
begins manufacturing an army of the virus till the entire is infected!
開始製造大量的病毒 直到整個細胞被感染!
This poor mindless slave cell does this till it explodes.
這個可憐的沒有頭腦的奴隸細胞一直這樣做 直到它破裂
Releasing all the virus to infect the nearby cells.
釋放所有病毒感染周圍的細胞
And that’s how an infection spreads.
這就是感染傳播的方式
That’s why I got sick.
這就是為什麼我會生病
But don’t worry,
但是別擔心
your bodies are super smart
說到拯救你自己
when it comes to saving you.
你的身體可是超級聰明的
Every time we fall ill with a virus,..
每次我們感染病毒生病的時候
..the body makes a special cell
身體會產生一種特殊的細胞
called a Memory Cell.
稱為記憶細胞
This cell stores all the information about the virus
這種細胞儲存關於病毒的所有信息
and how it was defeated…
以及它是如何被擊敗的
..so that the next time the virus attacks,
所以下次病毒攻擊時
your body’s defense is ready to destroy it!
你身體的防禦系統就會準備好摧毀它!
TRIVIA TIME!
小知識時間!
Did you know that even antibiotics
你知道即使抗生素
don’t work on viruses?
對病毒也不起作用嗎?
Because antibiotics are designed to fight bacteria!
因為抗生素是用來對抗細菌的!
In our body, the most common viruses
在我們的身體中 最常見的病毒
are actually bacteriophages…
事實上是噬菌體
..that infect and destroy bacteria!
它能感染和破壞細菌!
I think I have a cold again.
我想我又感冒了
Well kids, before I go,..
好吧 孩子們 在我走之前
..what’s the common virus in our body that destroys bacteria?
我們體內常見的殺死細菌的病毒是什麼?
And here’s hoping i feel better soon.
希望我能快點好起來
So that I can keep bringing you such fun
這樣我才能一直給你們帶來那麼多的樂趣
and interesting…
和有趣的
..facts.
事實
Until next time, this is me zoooming out!
下次見 這就是本期的內容
Oh no!
哦 不
Hey kids, you liked my videos didn’t you?
嗨 小夥伴 你們喜歡我的視頻 對吧
Before you go,
在你走之前
don’t forget to click on the subscribe button and the bell.
別忘了點擊訂閱按鈕和通知
So you won’t miss out on my latest videos.
這樣你就不會錯過我最新的視頻
See you.
再見
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