Pratique du Shadowing: IELTS listening practice Part 4 - the A.U.V (answer & transcript) - Apprendre l'anglais à l'oral avec la vidéo

Création de la leçon...
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Autonomous underwater vehicle, or AUV.
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It actually resembles a miniature airplane that moves deep in the ocean.
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It's not large enough to have a human crew aboard, and so its behavior is really that of a robot.
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The AUV is programmed to calculate
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and record a range of data depending on the mission it is carrying out at any one time.
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On previous missions, it has been programmed to record water pressure, as well as how much salt there is in the water.
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On a more recent mission around Bermuda, an AUV was equipped with a special instrument that showed the temperature of the ocean at different depths.
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It can also assess the quality of the water in general.
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So, as you see, it is quite a versatile and useful little piece of equipment.
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We use its measurements to determine
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and increase our understanding of ocean behaviors as well as its role in and influence on our climate.
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This instrument also has many other benefits.
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It can be launched and used relatively quickly.
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Also, there's no need for cables to physically link it to a boat.
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There are disadvantages, though.
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AUVs move at only modest speeds, up to 25 centimeters per second.
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In addition, the AUV structure cannot collect water samples, so other equipment must be used to conduct a chemical analysis of the water.
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Now, I'm sure you're all wondering how the AUV actually works.
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First, let's see how an AUV actually moves.
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L. It moves by pumping oil between two bladders.
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This helps the AUV to sink or float.
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The AUV records the data and measurements that it has been programmed to take while it rises to the surface.
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At the beginning and end of each dive, it obtains records and transmits its position by exposing an antenna embedded within the tip of the right wing.
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Okay, so that's the AU.
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Thank you.
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Thank you.
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Thank you.
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Thank you.
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Vocabulaire et conseils d’expression pour cette leçon

Cette leçon d’expression orale s’appuie sur la vidéo « IELTS listening practice Part 4 - the A.U.V ». Les mots qui reviennent le plus souvent : Auv, record, programmed, ocean, mission. Cette vidéo contient 28 phrases et 320 mots à répéter en shadowing. La partie parlée dure 3:51. Le locuteur parle lentement, environ 83 mots par minute, ce qui laisse le temps d’imiter chaque son. Seuls 81 % 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 :

MotPrononciationSens
instrument nom/ˈɪnstɹəmənt/instrument de mesure
measurement nom/ˈmɛʒ.ə.mənt/mesure
obtain verbe/əbˈteɪn/obtenir, se procurer
collect verbe/ˈkɑlɪkt/rassembler, recueillir
physically adverbe/ˈfɪz.ɪ.kli/physiquement
pump nom/pʌmp/pompe
robot nom/ˈɹoʊ.bɑt/robot
sink verbe/ˈsɪŋk/couler, s'enfoncer
depend verbe/dɪˈpɛnd/dépendre
aboard adverbe/əˈbɔɹd/à bord
dive verbe/daɪv/nager, plonger
assess verbe/əˈsɛs/estimer, évaluer
modest adjectif/ˈmɑdəst/modeste
expose verbe/ɪkˈspoʊz/exposer, dénoncer
float verbe/fləʊt/flotter

La grammaire de cette vidéo

Les structures que le locuteur utilise le plus, avec les mots exacts de la vidéo :

StructureDans la vidéo
Voix passive be + participe passé — l’accent est mis sur ce qui arrive, pas sur qui le faitis programmed · has been programmed · was equipped
Present perfect have/has + participe passé — une action passée qui compte encore maintenanthas been programmed

Prononciation à surveiller

  • Mots longs — placez bien l’accent: underwater /ʌndɚˈwɔtəɹ/, autonomous /ɔˈtɑnəməs/, miniature /ˈmɪn.(i)ə.tʃəɹ/, disadvantage /ˌdɪsədˈvæntɪd͡ʒ/

Les sons difficiles pour les francophones :

  • /tʃ/ et /dʒ/ — à ne pas adoucir en « ch » et « j »: miniature /ˈmɪn.(i)ə.tʃəɹ/, disadvantage /ˌdɪsədˈvæntɪd͡ʒ/
  • /r/ anglais — langue recourbée, sans frotter la gorge: instrument /ˈɪnstɹəmənt/, robot /ˈɹoʊ.bɑt/, aboard /əˈbɔɹd/, airplane /ˈɛɹˌpleɪ̯n/, underwater /ʌndɚˈwɔtəɹ/

Comment s’entraîner avec cette vidéo

  1. Écoutez la vidéo en entier une fois sans parler et notez les mots que vous ne connaissez pas.
  2. Répétez phrase par phrase à vitesse normale, en reprenant chacune jusqu’à ce que votre rythme corresponde à celui du locuteur.
  3. Enregistrez-vous et comparez avec l’original, en faisant attention à des mots comme instrument, measurement, obtain.

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.

Technique du shadowing : lire le guide complet étape par étape →