Prática de Shadowing: Dig Deep, Power a City - Aprenda a falar inglês com vídeo

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Let's punch a hole in the Earth to harvest power.
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Deep underground, leftover heat from our planet formation and radioactive decay heats up the surrounding rocks and water.
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We can use this heat to warm our homes or generate electricity.
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Dig a few meters down and you should hit a stable ground temperature.
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Then simply send water along an underground pipe and turn on your heat pump to produce warm air for your home.
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But why stop there?
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Digging a few kilometers deeper is tough, especially through hard, igneous rock.
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But if you pick a spot where the rock is warmed by magma itself, you can reach temperatures high enough to make steam, drive a turbine, and produce enough electricity to power a city.
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So, what's the catch?
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Well, as you pump water down to tap that heat, you've got to keep an eye on the pressure.
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Too high, and it can widen fissures and cause small earthquakes.
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Too low, worse if it's mixed with toxic compounds.
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But if you can get the steam safely back up to the surface, you can enjoy a steady stream of renewable energy from right under your feet.
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Vocabulário e dicas de fala para esta lição

Esta aula de conversação de nível B2 usa o vídeo “Dig Deep, Power a City”. Este vídeo tem 13 frases e 194 palavras para praticar shadowing. A fala dura 1:03. O falante fala rápido, cerca de 184 palavras por minuto, então espere sons ligados e reduzidos. Apenas 77% das palavras estão entre as 3.000 mais comuns do inglês, por isso o vocabulário é exigente. 2 das 13 frases são perguntas, por isso é um bom treino para a entonação de perguntas e respostas curtas.

Vocabulário principal deste vídeo

As 12 palavras mais avançadas do vídeo, com pronúncia e significado:

PalavraPronúnciaSignificado
fissure substantivo/ˈfɪʃ.ɚ/fissura
igneous adjetivo/ˈɪɡ.ni.əs/ígneo
leftover adjetivoreservada, conservada
turbine substantivo/ˈtɜː.baɪn/turbina
radioactive adjetivo/ˌɹeɪdioʊˈæktɪv/radioactivo, radioativo
surround verbo/səˈɹaʊnd/contornar, cercar
decay substantivo/diˈkeɪ/deterioração, apodrecimento
renewable adjetivo/ɹɪˈnu.ə.bl̩/renovável
harvest substantivo/ˈhɑɹ.vəst/colheita
meter substantivo/ˈmitəɹ/contador
earthquake substantivo/ˈɝθkweɪk/sismo, terramoto
compound substantivo/ˈkɑmpaʊnd/composto

Gramática neste vídeo

As estruturas que o falante mais usa, com as palavras exatas do vídeo:

EstruturaNo vídeo
Voz passiva be + particípio passado — o foco está no que acontece, não em quem fazis warmed

Pronúncia para ficar de olho

Sons difíceis para falantes de português:

  • Consoante final — sem acrescentar um “i” depois: surround /səˈɹaʊnd/, harvest /ˈhɑɹ.vəst/, earthquake /ˈɝθkweɪk/, compound /ˈkɑmpaʊnd/

Como praticar com este vídeo

  1. Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
  2. Comece na velocidade 0,75×, faça shadowing frase por frase e volte à velocidade normal quando ficar fácil.
  3. Grave a sua voz e compare com o original, prestando atenção a palavras como fissure, igneous, leftover.

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 →