豆瓣9.4，這部有關(guān)人體奧秘的史詩級(jí)科普大片，值得每個(gè)人看

今天給大家推薦一部由BBC出品的電影Our Secret Universe: The Hidden Life of the Cell（《人體奧妙之細(xì)胞的暗戰(zhàn)》）。這部紀(jì)錄片在豆瓣評(píng)分9.4，在外網(wǎng)評(píng)分也很高。

(相關(guān)資料圖)

這部紀(jì)錄片以微觀的視覺，用3D動(dòng)畫的形式，為我們呈現(xiàn)出病毒入侵時(shí)細(xì)胞是如何應(yīng)戰(zhàn)的，敘事場面宏大，畫面和配樂都超級(jí)震撼，就像一部史詩級(jí)科幻大片。通過這部科普片，我們對(duì)自己的身體，對(duì)身體里細(xì)胞的運(yùn)作機(jī)制會(huì)有更深的了解，對(duì)生命也多了一份敬畏感，同時(shí)也讓我們相信，生命的存在本身就是偉大的奇跡。

關(guān)于細(xì)胞、關(guān)于病毒，很多時(shí)候我們的認(rèn)知或許還是停留在學(xué)生時(shí)代的生物課本上。要不是這次疫情，恐怕很難停下來關(guān)注這個(gè)話題，關(guān)照生命本身。下文我們就來簡單欣賞一下紀(jì)錄片中令人震撼的片段，同時(shí)也可以通過解說詞學(xué)學(xué)相關(guān)詞匯的英語表達(dá)。

紀(jì)錄片開始，科學(xué)家告訴我們，早在地球上有生命伊始，細(xì)胞與病毒的對(duì)決之戰(zhàn)就開始了。在這場漫長的對(duì)決中，人類在與病毒對(duì)抗過程中，不斷調(diào)整，進(jìn)化。

各司其職的人體細(xì)胞系統(tǒng)

在人體內(nèi)部，細(xì)胞系統(tǒng)有著一套精細(xì)的機(jī)制，各個(gè)組成部分各司其職，和諧有序地運(yùn)轉(zhuǎn)著，這里有:

普通工人—蛋白質(zhì)：The workers of this incredible world are proteins（蛋白質(zhì)）, chains of complex chemicals that can lock together to transform into spectacular machines.

貫穿細(xì)胞的輸送物質(zhì)顆粒的細(xì)胞架：Others work to create incredible structures, like the internal skeleton that holds the cell together. These great trusses are constantly adjusting to stresses and strains, building and rebuilding to give the cell its shape and strength.

負(fù)責(zé)運(yùn)輸人體所需養(yǎng)料的運(yùn)輸工人——馬達(dá)蛋白質(zhì)：Then there are the motor-proteins, haulage workers that use the cell"s skeleton as highways to deliver food, chemicals and the essential building materials of life to wherever they are needed.

保持整個(gè)細(xì)胞世界運(yùn)轉(zhuǎn)的線粒體：Inside these free-floating structures called mitochondria（線粒體), turbines spin at over 1,000 times per minute, recharging billions of tiny chemical batteries. Everything we do, every heartbeat, every movement, every thought, is powered by the batteries charged by these cellular power stations.

保存著DNA的細(xì)胞核：And everything in this world works to a master plan. And the plan is protected deep in the heart of every cell. The nucleus is the vault containing the instruction manual for life—DNA.

生物體發(fā)育和正常運(yùn)作必不可少的生物大分子DNA：DNA is a chain of chemicals, organized into genes. Each gene holds the instructions to build a specific protein. The double helix contains over 20,000 instructions that tell our cells what to make and when, how to organize not just our cells, but our entire bodies.

安全防御系統(tǒng)細(xì)胞膜（the cell"s membrane, or skin）：The surface of the cell is an amazingly complicated place. There are hundreds, maybe thousands of receptor proteins sticking out of the cell and they all have a unique function to play.

……

在肉眼看不到令人驚嘆的微觀世界里，在你無法察覺的情況下，人體細(xì)胞的每個(gè)組成部分有機(jī)地結(jié)合在一起，井然有序，維持著人類的身體各個(gè)機(jī)能正常運(yùn)轉(zhuǎn)。看到這些，你無法不驚嘆生命的偉大和神奇。

病毒來襲

解說詞：Every day our bodies are constantly bombarded by these invisible critters（生物）, bacteria（細(xì)菌） and viruses（病毒）. But we have our skin, it"s our first line of defense that keeps them out. But we have Achilles heels（致命處）—we have openings to the outside world, our mouths, our noses, we touch things, we rub our lips, we rub our eyes or wipe our nose. They can get in. And once they"re in, they"re in.

Once inside, any one of these viruses can take control of the cell and reproduce 10,000 times over. The result could be anything, from the common cold to pneumonia（肺炎）—even death.

雖然皮膚是我們的第一道防線，但是細(xì)菌和病毒會(huì)找到其他渠道進(jìn)入人類的身體，比如嘴、鼻子、眼睛。自此一場細(xì)胞和病毒之間的戰(zhàn)爭不可避免。病毒一旦進(jìn)入人類的身體，后果無法想象，可能導(dǎo)致感冒、肺炎，甚至死亡。

記錄片里介紹了病毒入侵一個(gè)細(xì)胞核的過程，在這個(gè)過程中，雖然細(xì)胞有著各種防御體系，比如抗體、白血球、細(xì)胞膜，但是有些強(qiáng)大的病毒還是能沖破這層防御，沖入細(xì)胞核內(nèi)，攻城略池，導(dǎo)致整個(gè)細(xì)胞瓦解，當(dāng)時(shí)的情景可以用慘烈來形容。此刻，相信你的心情會(huì)無比沉重。

決戰(zhàn)剛開始

解說詞：But the war has only just begun. While the virus has been busy inside the cell, our antibodies（抗體） have adapted and now come back in force, carrying new receptors, tailor-made to lock onto the escaping army. Yet even in these numbers, they cannot stop every virus. But they are not alone.

The cell"s dying message to the outside world was not in vain. Giant white blood cells flock to the stricken cell to devour the escaping hordes. They too are learning how to tackle this particular invader.?

令人欣慰的是，雖然一個(gè)細(xì)胞失敗了，但是人類有數(shù)萬億個(gè)細(xì)胞，這些細(xì)胞會(huì)加入這場戰(zhàn)斗，形成細(xì)胞強(qiáng)大的防御體系，直到把病毒打敗，奇跡總會(huì)發(fā)生。正如科學(xué)家所說：大多數(shù)情況下，是人體細(xì)胞戰(zhàn)勝病毒，人類的身體也因此康復(fù)。

尾聲

解說詞：Every minute of every day, this battle with the virus rages within seven billion of us. Though we are rarely aware of it, we fight each other, change each other, improve each other.

細(xì)胞與病毒之戰(zhàn)的故事講完了，這兩者不斷競爭，都在進(jìn)行著改變，互相斗爭，也在互相發(fā)展，人類與細(xì)胞的相生相殺的過程，促成了今天的我們。對(duì)微觀世界了解得越多，就會(huì)越發(fā)現(xiàn)自己的無知，從而也就會(huì)對(duì)生命、對(duì)我們生存的世界保有更大的敬畏。

這部紀(jì)錄片東方君就簡單介紹到此。有時(shí)間的時(shí)候，大家可以移步視頻平臺(tái)看完整科普大片。

標(biāo)簽： 微觀世界 防御體系