Pratique du Shadowing: The life cycle of a cup of coffee - A.J. Jacobs - Apprendre l'anglais à l'oral avec YouTube

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How many people does it take to make a cup of coffee?
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How many people does it take to make a cup of coffee?
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For many of us, all it takes is a short walk and a quick pour.
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But this simple staple is the result of a globe-spanning process whose cost and complexity are far greater than you might imagine.
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It begins in a place like the remote Colombian town of Pitalito.
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Here, family farms have clear-cut local forests to make room for neat rows of coffea trees.
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These shrub-like plants were first domesticated in Ethiopia and are now cultivated throughout equatorial regions.
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Each shrub is filled with small berries called coffee cherries.
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Since fruits on the same branch can ripen at different times,
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they're best picked by hand.
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But each farm has its own method for processing the fruit.
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In Pitilito, harvesters toil from dawn to dusk at high altitudes,
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often picking over 25 kilograms per shift for very low wages.
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The workers deliver their picked cherries to the wet mill.
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This machine separates the seeds from the fruit,
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and then sorts them by density.
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The heaviest, most flavorful seeds sink to the bottom of the mill,
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where they're collected and taken to ferment in a tub of water for one or two days.
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Then, workers wash off the remaining fruit and put the seeds out to dry.
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Some farms use machines for this process,
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but in Pitilito, seeds are spread onto large, mesh racks.
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Over the next three weeks,
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workers rake the seeds regularly to ensure they dry evenly.
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Once the coffee beans are dry,
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a truck takes them to a nearby mill with several specialized machines.
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An air blower resorts the seeds by density,
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an assortment of sieves filter them by size,
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and an optical scanner sorts by color.
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At this point, professionals called Q-graders select samples of beans to roast and brew.
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In a process called cupping,
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they evaluate the coffee's taste,
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aroma, and mouthfeel to determine its quality.
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These experts give the beans a grade and get them ready to ship.
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Workers load burlap sacks containing up to 70 kilograms of dried and sorted coffee beans onto steel shipping containers,
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each able to carry up to 21 metric tons of coffee.
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From tropical ports, cargo ships crewed by over 25 people transport coffee around the world.
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But no country imports more coffee than the United States,
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New York City alone, consuming millions of cups every day.
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After the long journey from Columbia to New Jersey,
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our coffee beans pass through customs.
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Once dock workers unload the container,
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a fleet of 18-wheelers transport the coffee to a nearby warehouse,
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and then to a roastery.
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Here, the beans go into a roasting machine,
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stirred by a metallic arm and heated by a gas-powered fire.
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Nearby sensors monitor the coffee's moisture level,
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chemical stability, and temperature, while trained coffee engineers manually adjust these levels throughout the 12-minute roasting cycle.
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This process releases oil within the seed,
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transforming the seeds into grindable,
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brewable beans with a dark brown color and rich aroma.
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After roasting, workers pack the beans into five-pound bags,
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which a fleet of vans deliver to cafes and stores across the city.
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The coffee is now so close you can smell it,
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but it needs more help for the final stretch.
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Each coffee company has a head buyer who carefully selects beans from all over the world.
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Logistics teams manage bean delivery routes,
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and brave baristas across the city serve this caffeinated elixir to scores of hurried customers.
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All in all, it takes hundreds of people to get coffee to its intended destination,
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and that's not counting everyone maintaining the infrastructure that makes the journey possible.
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Many of these individuals work for low pay in dangerous conditions,
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and some aren't paid at all.
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So while we might marvel at the global network behind this commodity,
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let's make sure we don't value the final product more than the people who make it.

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About This Lesson

In this lesson, you will explore the fascinating journey of coffee from its origins in Colombia to your cup. You will practice essential English vocabulary related to agriculture, trade, and process while improving your listening and speaking skills. This lesson is ideal for those aiming to enhance their IELTS speaking practice, as it employs the real-life context of coffee production and distribution. You’ll learn about the many individuals involved in the coffee supply chain, which can also serve as a great topic for conversation in your English speaking practice.

Key Vocabulary & Phrases

  • Coffea trees: Trees that produce coffee cherries.
  • Harvesters: Workers who pick coffee cherries during the harvest.
  • Wet mill: A facility that processes coffee cherries to remove the seeds.
  • Cupping: A tasting method used to evaluate the flavor and quality of coffee.
  • Q-graders: Professionals who grade and ensure the quality of coffee beans.
  • Logistics: The planning and management of transporting goods.
  • Baristas: People who prepare and serve coffee to customers.
  • Infrastructure: The underlying framework and systems that support the coffee supply chain.

Practice Tips

To maximize your learning experience, try shadowspeak with the video at a slower speed first. This will help you catch every nuance in pronunciation and pacing, essential for effectively mimicking the natural speech of the speakers. Pay close attention to how the speaker emphasizes certain words while explaining the complex journey of coffee. When practicing, repeat phrases immediately after listening, focusing on intonation and rhythm to enhance your shadow speech skills.

Once you feel confident, increase the playback speed to match the original speaking pace. This will challenge your ability to process and articulate quickly, which is essential for real-world conversations. Engaging in this type of focused English speaking practice will not only aid in vocabulary retention but also increase your fluency, preparing you for the speaking portion of the IELTS and beyond.

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.

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