쉐도잉 연습: Immunology of the rheumatoid joint - 영상으로 영어 말하기 배우기
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Rymitoida Rheumatoid arthritis is a common autoimmune disorder of the joints that affects about 1 % of the population worldwide, more often women than men.
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The exact causes of the disease are unknown, but an individual's risk is thought to be increased by a combination of genetic and environmental factors.
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Many of the genes associated with rheumatoid arthritis are involved in immune system function.
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Non -genetic risk factors include age, diet, infectious agents and smoking.
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In an autoimmune disorder such as rheumatoid arthritis, the immune system mistakenly attacks and destroys the body's own cells and tissues,
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which immunologists refer to as self.
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And this autoimmunity can begin many years before joint symptoms are noticed.
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Doctors can use blood tests to identify
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this pre -clinical phase by the presence of multiple factors in the blood such as autoantibodies and inflammatory factors.
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These early autoantibodies are thought to first develop outside of the joints, possibly in the gut, mouth or lungs.
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Environmental factors such as smoking can modify our self -proteins, making them targets for the immune system.
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One particular modification is called citrullination.
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When the immune system recognises these modified self -proteins,
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it leads to a breach of self -tolerance and the production of autoreactive B -cells and autoantibodies and later autoreactive T -cells,
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the hallmarks of autoimmune disease.
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By the time that symptoms appear, the immune response has intensified and the antibodies produced target a broader range of self -proteins.
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But it's only in some patients that this systemic autoimmunity progresses to joint inflammation,
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which is possibly triggered by an increase in joint permeability and increased access to antibodies.
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Working out how to prevent this progression is a major goal for scientists.
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In patients who do develop joint disease, the small joints of the hands and feet are most commonly affected.
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After entering a joint, immune cells and autoantibodies bind to modified self -proteins in the cartilage, bone and lining of the joint called the synovium.
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This induces an inflammatory response and activates cells in the joint such as macrophages, neutrophils and osteoclasts as well as blood monocytes.
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Activated monocytes differentiate into yet more macrophages which together with other cells in the joint produce soluble inflammatory factors known as cytokines.
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Drugs targeting these cytokines are highly effective treatments for many patients.
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Left unchecked, however, damage caused by the inflammatory environment can expose new self -antigens to the immune system, continuing the cycle.
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At this stage, the first clinical symptoms of joint pain, swelling and warmth appear.
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Some patients recover, but most commonly patients develop a chronic destructive disorder. As the disease progresses,
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dendritic cells display the newly exposed self -antigens and activate T cells in the joint itself or in the local lymph node.
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In addition, B cells infiltrate the joint, where they proliferate and produce antibodies and other factors, further amplifying the autoimmune response.
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Cells in the joint lining, called fibroblast -like synoviasites, also proliferate and grow into the joint space, spreading across to the cartilage surface.
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These cells secrete matrix -degrading enzymes which erode the cartilage tissue.
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Bone is also eroded as osteoclasts, which contribute to normal bone turnover, become hyperactivated.
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Bone erosion, cartilage destruction and joint swelling cause severe pain, restrict movement of the joint and in the worst cases can cause joint deformities.
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And as well as the joints, other organs and body systems can be affected by the ongoing inflammation.
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For example, inflammation in the blood vessels can lead to heart disease.
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So early and aggressive therapy is recommended to prevent these systemic complications.
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By further understanding the immune markers and mechanisms of rheumatoid arthritis,
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it's hoped that targeted interventions could ultimately change the course of the disease.
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Thank you.
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이 레슨의 어휘와 말하기 포인트
이 말하기 레슨은 영상 “Immunology of the rheumatoid joint”을(를) 바탕으로 합니다. 가장 자주 반복되는 단어는 다음과 같습니다: joint, cells, immune, self, factors. 이 영상에는 섀도잉할 문장 39개와 단어 613개가 있습니다. 말하는 구간의 길이는 4:37입니다. 화자는 분당 약 133단어의 일정한 속도로 말해서 섀도잉하기에 편한 속도입니다. 영어에서 가장 많이 쓰이는 3,000단어에 속하는 단어가 72%뿐이라 어휘가 어려운 편입니다.
이 영상의 핵심 어휘
영상에 나오는 익혀 둘 만한 단어 15개를 발음, 뜻과 함께 정리했습니다.
| 단어 | 발음 | 뜻 |
|---|---|---|
| bone 명사 | /boʊn/ | 뼈 |
| arthritis 명사 | /ɑːˈθɹ(a)ɪtɪs/ | 관절염 |
| disorder 명사 | /dɪsˈɔɹdɚ/ | 혼란 |
| modify 동사 | /ˈmɑ.dɪˌfaɪ/ | 수정하다 |
| inflammation 명사 | /ɪnfləˈmeɪ̯ʃən/ | 염증 |
| symptom 명사 | /ˈsɪm(p)təm/ | 증상, 증후 |
| tissue 명사 | /ˈtɪʃ.(j)u/ | 조직 |
| swell 동사 | /swɛl/ | 부풀다, 붓다 |
| refer 동사 | /ɹɪˈfɜː/ | 언급하다 |
| associate 명사 | /əˈsoʊʃi.ət/ | 제휴자, 조합원 |
| destruction 명사 | /dɪsˈtɹʌkʃən/ | 파괴, 멸망 |
| gene 명사 | /d͡ʒiːn/ | 유전자 |
| aggressive 형용사 | /əˈɡɹɛs.ɪv/ | 공격적인, 침략적인 |
| ongoing 형용사 | /ɒnˈɡəʊ.ɪŋ/ | 지속적인 |
| mechanism 명사 | /ˈmɛk.ə.nɪ.zəm/ | 기구, 메커니즘 |
주의할 발음
- “th” 소리: arthritis /ɑːˈθɹ(a)ɪtɪs/, warmth /wɔɹmθ/
- “sh”와 “zh” 소리: inflammation /ɪnfləˈmeɪ̯ʃən/, tissue /ˈtɪʃ.(j)u/, associate /əˈsoʊʃi.ət/, destruction /dɪsˈtɹʌkʃən/, intervention /ɪntɚˈvɛnʃən/
- 긴 단어 — 강세 위치에 주의: inflammatory /ɪnˈflæmət(ə)ɹi/, arthritis /ɑːˈθɹ(a)ɪtɪs/, inflammation /ɪnfləˈmeɪ̯ʃən/, associate /əˈsoʊʃi.ət/, mechanism /ˈmɛk.ə.nɪ.zəm/
한국어 화자가 어려워하는 소리:
- /f/ — ㅍ(/p/)으로 바꾸지 말고 윗니를 아랫입술에 대기: inflammatory /ɪnˈflæmət(ə)ɹi/, modify /ˈmɑ.dɪˌfaɪ/, inflammation /ɪnfləˈmeɪ̯ʃən/, refer /ɹɪˈfɜː/, infectious /ɪnˈfɛk.ʃəs/
- /v/ — ㅂ(/b/)과 구별하기: activate /ˈæktɪˌveɪt/, aggressive /əˈɡɹɛs.ɪv/, recover /ɹɪˈkʌvɚ/, vessel /ˈvɛsəl/, intervention /ɪntɚˈvɛnʃən/
- /z/ — ㅈ이 아니라 성대를 울리는 /s/: expose /ɪkˈspoʊz/, mechanism /ˈmɛk.ə.nɪ.zəm/, enzyme /ˈɛn.zaɪm/
이 영상으로 연습하는 방법
- 먼저 말하지 않고 영상을 끝까지 듣고 모르는 단어를 적어 둡니다.
- 보통 속도로 한 문장씩 섀도잉하고, 화자의 리듬과 맞을 때까지 반복합니다.
- 자신의 목소리를 녹음해 원본과 비교하고, bone, arthritis, disorder 같은 단어에 특히 주의합니다.
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.