Pratique du Shadowing: Understanding COPD - Apprendre l'anglais à l'oral avec la vidéo
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Understanding Chronic Obstructive Pulmonary Disease Chronic obstructive pulmonary disease,
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or COPD, is a lung disease that makes it difficult to breathe.
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COPD is a long -term disease that often gets worse over time
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and is characterized by inflammation and severe limitation of airflow in and out of the lungs.
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COPD is an umbrella term used to describe a group of breathing conditions, the most common being chronic bronchitis and emphysema.
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Many people living with COPD may have both emphysema and chronic bronchitis.
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A few people have both asthma and COPD.
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Cigarette smoking is the leading cause of COPD.
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Long -term exposure to secondhand smoke or irritants such as air pollution, dust, or workplace fumes, and biomass exposure,
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such as wood smoke, can also contribute to COPD.
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An uncommon genetic disorder called alpha -1 antitrypsin deficiency is sometimes associated with COPD.
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Although respiratory infections such as influenza and pneumonia do not cause COPD, they can make people with COPD very sick.
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Therefore, it is very important to keep these vaccinations up to date.
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At first, COPD may cause no symptoms or only mild symptoms.
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As the disease progresses, common symptoms include shortness of breath, wheezing, and chest tightness, especially with exercise,
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and an ongoing cough, often with a lot of mucus.
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As COPD symptoms worsen, breathing requires much more energy, and it can get harder to exercise or do routine activities,
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like getting dressed or climbing stairs.
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This may lead to fatigue, weight loss, and muscle loss.
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People with COPD can experience a variety of symptoms.
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Different stages of COPD range from mild to moderate to severe.
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In normal functioning lungs, when air is inhaled, it travels down the windpipe and into the airways, or bronchial tubes of the lungs.
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Inside the lungs, the airways branch out into smaller and smaller tubes called bronchioles that are rich in blood supply.
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At the end of these tubes are billions of tiny air sacs called alveoli.
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Normally, the walls of the airways and air sacs are elastic and flexible in nature.
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Inhaling causes each air sac to fill with air.
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Exhaling causes each air sac to deflate.
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Efficient uptake of air into the lungs provides oxygen to the blood, which is then carried to all parts of the body.
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In COPD, however, the airways become thick and inflamed, and they produce more mucus than usual.
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This mucus can clog the airways and makes it hard to breathe.
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In COPD, the walls of the air sacs in the lungs are damaged and lose their elastic quality.
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The air sacs get floppy, broken, and lose their shape.
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As the air spaces get larger, air gets trapped, and there are fewer air sacs to supply oxygen to the blood.
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Because air is trapped in these air sacs, it is difficult for lungs with COPD to deflate like normal lungs.
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This trapped air makes it harder to get fresh air into the lungs and makes breathing more difficult.
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COPD is the third leading cause of death in the United States and affects more than 13 .5 million Americans.
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It is predominantly diagnosed in middle -aged individuals older than 40 years and is present in both women and men.
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Although COPD is more common in men, more women die from this disease each year than men.
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The rate of COPD continues to increase worldwide due to smoking and worsening air pollution.
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While there is no cure for COPD, you can take steps to feel better, stay more active, and slow disease progression.
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COPD can be managed by consulting early with your health care provider, seeking diagnosis and intervention therapies,
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and adopting lifestyle changes that include quitting smoking, pulmonary rehabilitation, healthy eating and exercise,
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and maintaining a positive outlook.
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Vocabulaire et conseils d’expression pour cette leçon
Cette leçon d’expression orale s’appuie sur la vidéo « Understanding COPD ». Les mots qui reviennent le plus souvent : Copd, lung, sac, disease, airways. Cette vidéo contient 43 phrases et 616 mots à répéter en shadowing. La partie parlée dure 4:29. Le locuteur parle à un rythme régulier d’environ 138 mots par minute, confortable pour le shadowing. Seuls 72 % des mots font partie des 3 000 mots les plus courants en anglais, le vocabulaire est donc exigeant.
Vocabulaire clé de cette vidéo
15 mots de la vidéo à retenir, avec leur prononciation et leur sens :
| Mot | Prononciation | Sens |
|---|---|---|
| lung nom | /ˈlʌŋ/ | poumon |
| breathe verbe | /bɹiːð/ | respirer, inspirer |
| symptom nom | /ˈsɪm(p)təm/ | symptôme |
| chronic adjectif | /ˈkɹɑ.nɪk/ | chronique |
| tube nom | /tuːb/ | tube |
| trap nom | /tɹæp/ | piège, collet |
| exposure nom | /ɪkˈspəʊ.ʒə(ɹ)/ | exposition |
| oxygen nom | /ˈɑksɪd͡ʒən/ | oxygène |
| pollution nom | /pəˈluʃən/ | pollution |
| mild adjectif | /ˈmaɪld/ | doux, douce |
| elastic adjectif | /ə-/ | élastique |
| thick adjectif | /θɪk/ | épais, gros |
| muscle nom | /ˈmʌs.əl/ | muscle |
| efficient adjectif | /ɪˈfɪʃənt/ | efficace |
| dust nom | /dʌst/ | poussière |
Prononciation à surveiller
- Les sons « th »: breathe /bɹiːð/, thick /θɪk/
- Les sons « sh » et « zh »: exposure /ɪkˈspəʊ.ʒə(ɹ)/, pollution /pəˈluʃən/, efficient /ɪˈfɪʃənt/, associate /əˈsoʊʃi.ət/, infection /ɪnˈfɛkʃən/
- Mots longs — placez bien l’accent: associate /əˈsoʊʃi.ət/, intervention /ɪntɚˈvɛnʃən/, rehabilitation /ˌɹiː.əˌbɪl.ɪˈteɪ.ʃən/, respiratory /ɹɪˈspɪ.ɹət.ə.ɹi/, predominantly /pɹɪˈdɒmɪnəntli/
Les sons difficiles pour les francophones :
- /h/ — il se souffle, il n’est pas muet: inhale /ɪnˈheɪl/, exhale /ˌɛksˈheɪ̯l/, secondhand /ˌsɛk(ə)n(d)ˈhænd/
- /tʃ/ et /dʒ/ — à ne pas adoucir en « ch » et « j »: oxygen /ˈɑksɪd͡ʒən/, genetic /d͡ʒəˈnɛt.ɪk/
- /r/ anglais — langue recourbée, sans frotter la gorge: breathe /bɹiːð/, chronic /ˈkɹɑ.nɪk/, trap /tɹæp/, exposure /ɪkˈspəʊ.ʒə(ɹ)/, routine /ɹuˈtin/
Comment s’entraîner avec cette vidéo
- Écoutez la vidéo en entier une fois sans parler et notez les mots que vous ne connaissez pas.
- Répétez phrase par phrase à vitesse normale, en reprenant chacune jusqu’à ce que votre rythme corresponde à celui du locuteur.
- Enregistrez-vous et comparez avec l’original, en faisant attention à des mots comme lung, breathe, symptom.
Qu'est-ce que la technique du Shadowing ?
Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.