Prática de Shadowing: HOW IT WORKS - Grand Piano - Aprenda a falar inglês com vídeo

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It's big, it's beautiful, it's a grand piano and each one of these majestic instruments is exquisitely handcrafted.
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The main difference from a standard upright piano is
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that in a grand the strings are longer and have to be arranged horizontally.
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The sound is produced by a felt hammer hitting up to three strings at once.
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The thicker and longer the strings are the lower the note.
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Each string begins life as a single steel wire attached to a spinning machine.
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One of the workers scuffs up the surface with sandpaper so
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when a copper wire is wrapped
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around it'll stay in
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place he adds another wire
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to the string to give it a deeper bass note the
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strings for a grand piano range in length from just five centimeters to over two meters.
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That's what allows them to produce an incredibly wide range of notes.
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Finally, he tightens the end of the wire to stop it from uncoiling.
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They have to use layers of flexible wood for the piano's casing, so they'll be able to bend it into the traditional shape.
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They're glued together and then squashed in a press until the adhesives dry.
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Then it's taken over to another press which will give it its shape.
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It's a tough job to get it into position and requires a bit of muscle and a lot of teamwork.
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When the strings are fixed, they'll have a combined tension of 24 tons, so the metal frame needs to be a super tough structure.
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It's made of precision cast iron, in a technique that was developed in the early 19th century.
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A cocktail of bronze powder, dissolver and thickener is sprayed onto the metal surface to fill any pores and give the frame a smooth finish.
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The metal frame weighs about 170 kilograms and has to be lifted into the wooden casing with a pulley.
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Then it's time to fix the strings, all 240 of them.
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Low notes have just got one string but the middle and higher notes have two or three to make them louder.
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They're called bichords and trichords.
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Each individual string has to be stressed until it reaches the exact pitch.
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Finally, they check the strings with a felt hammer.
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The hammer is controlled by a mechanism that enables a series of notes to be played consecutively at high speed.
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The workings of the piano are now complete, but before it can be fitted into the casing, an expert must check that all the hammers reach the same keystroke height,
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so they produce an even sound.
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A key has to drop under a weight of 52 grams, and they all have to be tested one by one.
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Who said the music industry was glamorous?
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All that remains is the final assembly.
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Every individual grand piano is handcrafted to the highest standards.
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That's why this factory builds, on average, just one a day.
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We'll be right back.

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Vocabulário e dicas de fala para esta lição

Este vídeo tem 36 frases e 484 palavras para praticar shadowing. A fala dura 4:42. O falante fala devagar, cerca de 103 palavras por minuto, o que dá tempo para imitar cada som. Apenas 76% das palavras estão entre as 3.000 mais comuns do inglês, por isso o vocabulário é exigente.

Vocabulário principal deste vídeo

15 palavras do vídeo que vale a pena aprender, com pronúncia e significado:

PalavraPronúnciaSignificado
string substantivo/stɹɪŋ/barbante, corda
piano substantivo/piˈænɪː/piano
wire substantivo/ˈwaɪɚ/arame
hammer substantivo/ˈhæmɚ/martelo
technique substantivo/tɛkˈniːk/técnica
thick adjetivo/θɪk/espesso, grosso
muscle substantivo/ˈmʌs.əl/músculo
pitch substantivo/pɪt͡ʃ/arremesso
worker substantivo/ˈwɝ.kɚ/trabalhador
layer substantivo/ˈleɪ̯ɚ/camada
smooth adjetivo/smuːð/suave
incredibly advérbio/ɪŋˈkɹɛdɪbli/incrivelmente
spin verbo/spɪn/girar, rodar
wooden adjetivo/ˈwʊdn̩/lenhoso, de madeira
enable verbo/ɪˈneɪ.bəl/habilitar, possibilitar

Pronúncia para ficar de olho

O falante usa 6 contrações e formas reduzidas, como they'll, they're, it'll. Diga-as na forma curta, do jeito que você ouve.

  • Os sons de “th”: thick /θɪk/, smooth /smuːð/
  • Os sons de “sh” e “zh”: tension /ˈtɛnʃən/, precision /pɹɪˈsɪʒ.ən/, squash /skwɔʃ/
  • Palavras longas — acerte a sílaba tônica: incredibly /ɪŋˈkɹɛdɪbli/, mechanism /ˈmɛk.ə.nɪ.zəm/

Como praticar com este vídeo

  1. Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
  2. Faça shadowing frase por frase na velocidade normal, repetindo cada uma até o seu ritmo ficar igual ao do falante.
  3. Grave a sua voz e compare com o original, prestando atenção a palavras como string, piano, wire.

O que é a Técnica de Shadowing?

Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.

Técnica de shadowing: leia o guia completo passo a passo →