Pratique du Shadowing: How Do Our Bodies Move? - Apprendre l'anglais à l'oral avec la vidéo

Création de la leçon...
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Hey there!
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I'm sure you know, like Squeaks here does, that exercise is a really important part of keeping your body healthy and strong.
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And whether you're running a race, playing football, or just doing a whole bunch of jumping jacks, exercise means moving.
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And one SciShow Kids viewer named Autumn wants to know, how does my body move?
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Really awesome question, Autumn!
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Your body is made up of lots of different parts that all have very special jobs.
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To help keep things organized, scientists sometimes group the parts of our bodies into what we call body systems.
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And all of the parts in a certain body system work together to accomplish a goal.
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When it comes to making you move, it takes three body systems working together to get the job done.
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They're called the muscular system, the skeletal system, and the nervous system.
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Ready to check them out?
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Let's start with the muscular system.
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Your muscular system is made of, well, muscles.
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Muscle is the stuff — what scientists call tissue — that allows you to move around.
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Muscles don't just help you to swing a bat or jump to catch a ball.
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Some muscles help you chew, wiggle your nose, stick out your tongue, or even blink.
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And some muscles, like the ones in your back and legs, just help to hold your body upright So you can walk, run, or simply sit.
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Muscle tissue is pretty flexible, kind of like thick rubber or elastic.
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And also like rubber, it can stretch and change shape.
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Let's see how.
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When you bend your arm at the elbow, a muscle called your bicep contracts or squeezes together.
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When it contracts, its shape gets shorter and thicker.
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When you straighten your arm, your bicep relaxes.
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When a muscle relaxes, its shape gets longer and thinner.
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But muscles contracting and relaxing aren't enough to make us move.
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They need to be attached to another part of our body to get the job done.
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And that's where the next system, the skeletal system, comes in.
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The main part of your skeletal system, the skeleton, is made of all your hard, sturdy bones.
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Although we sometimes think of skeletons as dead things, especially around Halloween, that's actually not true.
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Your bones are very much alive, and they have many jobs.
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One of the most important jobs is to support or hold up the rest of your body, and this includes your muscles.
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Strong cords, called tendons, attach your muscles to your bones.
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When a muscle contracts or relaxes, it pulls the bone into a different position, which makes it move.
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But how do your muscles know they're supposed to move at all?
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Well, they know because they're under control of your nervous system.
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The most important part of your nervous system is your brain.
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Your brain is kind of like your body's command center.
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When you decide to move, your brain sends signals to your muscles, giving them specific instructions on what to do.
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Say you're trying to pick up a snack.
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Your brain sends signals to the muscles in your hand and wrist, telling some of them to contract.
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As the muscles contract, they pull the bones in your fingers, so that you can grab the apple.
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Then your brain sends more signals to your arm muscles, telling them to move the bones in your arm, so that you can bring the apple right to your mouth.
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Snack accomplished!
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So it takes the actions of three body systems to help us move — the muscular, skeletal, and nervous systems.
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Autumn, thanks for watching SciShow Kids and asking such a great question!
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And if anyone else has a question for any of us here at the fort, let us know by leaving a comment or emailing us at kids at thescishow .com.
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Thanks guys, see ya later!
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Vocabulaire et conseils d’expression pour cette leçon

Cette vidéo contient 47 phrases et 641 mots à répéter en shadowing. La partie parlée dure 3:11. Le locuteur parle vite, environ 202 mots par minute : attendez-vous à des liaisons et à des sons réduits. 82 % des mots font partie des 3 000 mots les plus courants en anglais ; le reste mérite d’être vu avant de commencer.

Vocabulaire clé de cette vidéo

15 mots moins courants de la vidéo, avec leur prononciation et leur sens :

  • muscle /ˈmʌs.əl/ (nom) — muscle. A contractile form of tissue which animals use to effect movement.
  • bone /boʊn/ (nom) — os. A composite material consisting largely of calcium phosphate and collagen and making up the skeleton of most vertebrates.
  • relax /ɹɪˈlæks/ (verbe) — relâcher. To make something loose.
  • muscular /ˈmʌs.kjʊl.ə/ (adjectif) — musclé, musculeux. Of, relating to, or connected with muscles.
  • thick /θɪk/ (adjectif) — épais, gros. Relatively great in extent from one surface to the opposite in its smallest solid dimension.
  • tissue /ˈtɪʃ.(j)u/ (nom) — tissu. Thin, woven, gauzelike fabric.
  • rubber /ˈɹʌbɚ/ (nom) — caoutchouc, gomme. Pliable material derived from the sap of the rubber tree; a hydrocarbon biopolymer of isoprene.
  • scientist /ˈsaɪəntəst/ (nom) — scientifique, savant. One whose activities make use of the scientific method to answer questions regarding the measurable universe. A scientist may be involved in original research…
  • accomplish /əˈkɑm.plɪʃ/ (verbe) — accomplir. To finish successfully.
  • snack /snæk/ (nom) — casse-croûte m or casse-croute, hors-d'œuvre. A light meal.
  • skeleton /ˈskɛlətən/ (nom) — squelette. The system that provides support to an organism, where in vertebrates it is internal and consists of bones and cartilage, and external in some other animals.
  • attach /əˈtæt͡ʃ/ (verbe) — attacher. To fasten, to join to (literally and figuratively).
  • finger /ˈfɪŋɡɚ/ (nom) — doigt. A slender jointed extremity of the human hand, (often) exclusive of the thumb, and the corresponding part, irrespective of including a thumb, in many other…
  • thin /ˈθɪn/ (adjectif) — mince. Having little thickness or extent from one surface to its opposite.
  • fort /fɔɹt/ (nom) — fort. A fortified defensive structure stationed with troops.

Les verbes à particule que vous entendrez

  • hold up (verbe) — retenir. To wait or delay.
  • pick up (verbe) — soulever. To lift; to grasp and raise.
  • stick out (verbe) — dépasser, saillir. To protrude.

Prononciation à surveiller

Le locuteur utilise 8 contractions et formes réduites, comme they're, you're, aren't. Prononcez-les sous leur forme courte, telles que vous les entendez.

  • Les sons « th »: thick /θɪk/, thin /ˈθɪn/
  • Les sons « sh » et « zh »: tissue /ˈtɪʃ.(j)u/, accomplish /əˈkɑm.plɪʃ/, instruction /ɪnˈstɹʌkʃən/

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. Commencez à la vitesse 0,75×, répétez phrase par phrase, puis revenez à la vitesse normale quand cela devient facile.
  3. Enregistrez-vous et comparez avec l’original, en faisant attention à des mots comme muscle, bone, relax.

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 made · be attached
Superlatifs the -est / the most … — le plus haut ou le plus bas d’un groupethe most important
Présent continu am/is/are + -ing — ce qui se passe en ce momentyou're running · you're trying

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 →