쉐도잉 연습: The Coronavirus Explained & What You Should Do - 영상으로 영어 말하기 배우기
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In December 2019, the Chinese authorities notified the world that a virus was spreading through their communities.
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In the following months, it spread to other countries, with cases doubling within days.
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This virus is the Severe Acute Respiratory Syndrome related coronavirus 2
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that causes the disease called COVID-19 and that everyone simply calls coronavirus.
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What actually happens when it infects a human and what should we all do?
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A virus is really just a hull around genetic material and a few proteins, arguably not even a living thing.
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It can only make more of itself by entering a living cell.
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Corona may spread via surfaces, but it's still uncertain how long it can survive on them.
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Its main way of spreading seems to be droplet infection, when people cough, or if you touch someone who's ill and then your face, say rubbing your eyes or nose.
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The virus starts its journey here and then hitches a ride as a stowaway deeper into the body.
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Its destinations are the intestines, the spleen or the lungs, where it can have the most dramatic effect.
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Even just a few coronaviruses can cause quite a dramatic situation.
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The lungs are lined with billions of epithelial cells.
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These are the border cells of your body, lining your organs and mucosa, waiting to be infected.
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Corona connects to a specific receptor on its victims' membranes to inject its genetic material.
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The cell, ignorant of what's happening, executes the new instructions, which are pretty simple, copy and reassemble.
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It fills up with more
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and more copies of the original virus until it reaches a critical point and receives one final order, self-destruct.
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The cell sort of melts away, releasing new Corona particles, ready to attack more cells.
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The number of infected cells grows exponentially.
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After about 10 days, millions of body cells are infected and billions of viruses swarm the lungs.
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The virus has not caused too much damage yet, but corona is now going to release a real beast on you, your own immune system.
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The immune system, while there to protect you, can actually be pretty dangerous to yourself and needs tight regulation.
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And as immune cells pour into the lungs to fight the virus, corona infects some of them and creates confusion.
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Cells have neither ears nor eyes, they communicate mostly via tiny information proteins called cytokines.
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Nearly every important immune reaction is controlled by them.
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Corona causes infected immune cells to overreact and yell bloody murder.
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In a sense, it puts the immune system into a fighting frenzy and sends way more soldiers than it should, wasting its resources and causing damage.
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Two kinds of cells in particular wreak havoc.
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First, neutrophiles, which are great at killing stuff, including ourselves.
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As they arrive in their thousands, they start pumping out enzymes that destroy as many friends as enemies.
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The other important type of cells that go into a frenzy are killer T cells, which usually order infected cells to commit controlled suicide.
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Confused as they are, they start ordering healthy cells to kill themselves too.
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The more and more immune cells arrive, the more damage they do and the more healthy lung tissue they kill.
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This might get so bad that it can cause permanent irreversible damage that leads to lifelong disabilities.
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In most cases the immune system slowly regains control.
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It kills the infected cells, intercepts the viruses trying to infect new ones and cleans up the battlefield.
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Recovery begins.
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The majority of people infected by corona will get through it with relatively mild symptoms.
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But many cases become severe or even critical.
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We don't know the percentage because not all cases have been identified, but it's safe to say that there is a lot more than with the flu.
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In more severe cases, millions of epithelial cells have died and with them the lungs protective lining is gone.
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That means that the alveoli, tiny air sacs via which breathing occurs, can be infected by bacteria that aren't usually a big problem.
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Patients get pneumonia, respiration becomes hard or even fails, and patients need ventilators to survive.
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The immune system has fought at full capacity for weeks and made millions of antiviral weapons.
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And as thousands of bacteria rapidly multiply, it is overwhelmed.
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They enter the blood and overrun the body.
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If this happens, death is very likely.
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The coronavirus is often compared to the flu, but actually it's much more dangerous.
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While the exact death rate is hard to pin down during an ongoing pandemic, we know for sure that it's much more contagious and spreads faster than the flu.
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There are two futures for a pandemic like corona, fast and slow.
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Which future we will see depends on how we all react to it in the early days of the outbreak.
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A fast pandemic will be horrible and cost many lives.
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A slow pandemic will not be remembered by the history books.
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The worst case scenario for a fast pandemic begins with a very rapid rate of infection
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because there are no countermeasures in place to slow it down.
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Why is this so bad?
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In a fast pandemic, many people get sick at the same time.
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If the numbers get too large, healthcare systems become unable to handle it.
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There aren't enough resources like medical staff or equipment like ventilators left to help everybody.
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People will die untreated.
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And as more healthcare workers get sick themselves, the capacity of healthcare systems falls even further.
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If this becomes the case, then horrible decisions will have to be made about who gets to live and who doesn't.
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The number of deaths rises significantly in such a scenario.
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To avoid this, the world, that means all of us, needs to do what it can to turn this into a slow pandemic.
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A pandemic is slowed down by the right responses, especially in the early phase,
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so that everyone who gets sick can get treatment and there's no crunch point with overwhelmed hospitals.
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Since we don't have a vaccine for corona, we have to socially engineer our behavior to act like a social vaccine.
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This simply means two things.
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Not getting infected and not infecting others.
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Although it sounds trivial, the very best thing you can do is to wash your hands.
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Soap is actually a powerful tool.
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The coronavirus is encased in what is basically a layer of fat.
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Soap breaks that fat apart and leaves it unable to infect you.
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It also makes your hands slippery and with the mechanical motions of washing, viruses are ripped away.
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To do it properly, wash your hands as
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if you've just cut up some jalapenos and want to put in your contacts next.
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The next thing is social distancing, which is not a nice experience, but a nice thing to do.
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This means no hugging, no handshakes.
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If you can stay at home, stay at home to protect those who need to be out for society to function, from doctors to cashiers or police officers.
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You depend on all of them.
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They all depend on you to not get sick.
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On a larger level, there are quarantines, which can mean different things from travel restrictions or actual orders to stay at home.
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Quarantines are not great to experience and certainly not popular, but they buy us and especially the researchers working on medication and vaccination crucial time.
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So if you are put under quarantine, you should understand why and respect it.
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None of this is fun, but looking at the big picture, it is a really small price to pay.
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The question of how pandemics end depends on how they start.
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If they start fast with a steep slope, they end badly.
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If they start slow with a not-so-steep slope, they end okay-ish.
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And in this day and age, it really is in all of our hands.
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Literally and figuratively.
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A huge thanks to the experts who helped us on short notice with this video, especially Our World in Data,
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the online publication for research and data on the world's largest problems and how to make progress solving them.
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Check out their site.
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It also includes a constantly updated page on the Corona pandemic.
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이 비디오로 배울 수 있는 영어 회화 스킬
이 비디오는 코로나바이러스에 대한 설명을 통해 과학적 내용을 명확히 전달하는 표현법과 복잡한 과정을 단계별로 설명하는 말하기 능력을 기를 수 있습니다. 또한, "exponentially", "irreversible"와 같은 고급 어휘를 자연스럽게 사용하는 방법도 익힐 수 있어 IELTS 스피킹 준비에도 도움이 됩니다. 영어 쉐도잉을 하다 보면, 정보 전달의 흐름을 따라가는 회화 리듬도 자연스럽게 익숙해집니다.
들어봐야 할 연결 발음과 축약형
영어의 자연스러운 발음을 배우기 위해선 연결 발음(linking)과 축약형(reductions)에 주목해야 합니다. 이 비디오에서 자주 등장하는 예로는 "it's a"가 /itsə/로 연결되거나, "what should we"가 /wɑtʃʊdi/로 축약되는 경우가 있습니다. 또한, "millions of"에서 "of"가 /əv/가 아닌 /ə/로 발음되는 것을 들을 수 있습니다. 이런 소리 변화를 캐치하면 shadow speech를 할 때 더 자연스러운 발음을 구사할 수 있습니다.
원어민처럼 말하는 리듬과 강세
원어민의 말투를 흉내내기 위해선 리듬과 강세가 중요합니다. 이 비디오의 화자는 "The virus starts its journey here, and then hitches a ride as a stowaway deeper into the body"와 같이 긴 문장에서도 주요 정보를 강조하기 위해 "starts", "hitches", "deeper" 등의 단어에 강세를 두고 말합니다. 또한, 문장의 흐름을 자연스럽게 유지하기 위해 쉼표 뒤에 짧은 쉼표를 넣는 리듬도 관찰할 수 있습니다. shadowspeaks 연습을 할 때, 이런 강세와 리듬을 따라하면 영어 회화가 더 생동감 있게 들립니다. 꼭 여러 번 반복해서 연습해 보세요!
이 영상의 문법
화자가 가장 많이 쓰는 문형을 영상 속 실제 표현과 함께 정리했습니다.
| 문형 | 영상 속 표현 |
|---|---|
| 수동태 be + 과거분사 — 누가 하는지보다 무슨 일이 일어나는지에 초점 | are lined · be infected · are infected |
| 관계절 who / which + 절 — 사람이나 사물에 대한 추가 정보 | instructions, which are · neutrophiles, which are · everyone who gets |
| 현재완료 have/has + 과거분사 — 과거의 일이 지금도 관련이 있을 때 | has not caused · have been identified · has fought |
쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법
쉐도잉(Shadowing)은 원래 전문 통역사 훈련을 위해 개발된 언어 학습 기법으로, 다언어 학자인 Dr. Alexander Arguelles에 의해 대중화된 방법입니다. 핵심 원리는 간단하지만 매우 강력합니다: 원어민의 영어를 들으면서 1~2초의 짧은 지연으로 즉시 소리 내어 따라 말하는 것——마치 '그림자(shadow)'처럼 화자를 따라가는 것입니다. 문법 공부나 수동적인 청취와 달리, 쉐도잉은 뇌와 입 근육이 동시에 실시간으로 영어를 처리하고 재현하도록 훈련합니다. 연구에 따르면 이 방법은 발음 정확도, 억양, 리듬, 연음, 청취력, 말하기 유창성을 크게 향상시킵니다. IELTS 스피킹 준비와 자연스러운 영어 소통을 원하는 분들에게 특히 효과적입니다.