Prática de Shadowing: Why Ebola Keeps Coming Back - Aprenda a falar inglês com vídeo

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Ebola is back.
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What makes it so hard to stop?
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Once Ebola enters your body through contact with infectious bodily fluids, immune cells rush to destroy it.
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But the virus infects these cells and uses them to spread,
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killing some and triggering others to produce a massive flood of chemical signals that causes extreme inflammation and internal bleeding.
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Ebola also attacks the cells that make clotting proteins so that the bleeding becomes hard to stop.
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Organs lose oxygen and begin to fail.
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Around half of infected patients die, and in some outbreaks, the death rate has reached 90%.
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While many have been contained, Ebola keeps returning.
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Especially in high-risk countries like the DRC, conflict has displaced millions into crowded camps where the virus spreads fast.
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Constant cross-border movement makes things worse, and with a health system in ruins, an infectious disease can thrive.
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There are vaccines for some strains, but not for others, so many patients with Ebola need round-the-clock care to stay alive.
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Containing the current outbreak will cost around $518 million, and this investment can also help stop the next one before it starts.
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So, it's money well spent.
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Vocabulário e dicas de fala para esta lição

Esta aula de conversação de nível C1 usa o vídeo “Why Ebola Keeps Coming Back”. Este vídeo tem 14 frases e 193 palavras para praticar shadowing. A fala dura 1:11. O falante fala em ritmo natural, cerca de 163 palavras por minuto, próximo de uma conversa do dia a dia. Apenas 78% das palavras estão entre as 3.000 mais comuns do inglês, por isso o vocabulário é exigente.

Vocabulário principal deste vídeo

As 15 palavras mais avançadas do vídeo, com pronúncia e significado:

PalavraPronúnciaSignificado
virus substantivo/ˈvaɪ.ɹəs/vírus
outbreak substantivo/ˈaʊtbɹeɪk/surto
infectious adjetivo/ɪnˈfɛk.ʃəs/infeccioso, contagioso
bleed verbo/ˈbliːd/sangrar
rush verbo/ɹʌʃ/apressar-se
clock substantivo/klɑk/velocímetro
flood substantivo/flʌd/cheia, enchente
ruin substantivo/ˈɹuː.ɪn/ruína
oxygen substantivo/ˈɑksɪd͡ʒən/oxigênio, oxigénio
trigger substantivo/ˈtɹɪɡɚ/gatilho
fluid substantivo/ˈflu.ɪd/fluido, líquido
strain substantivo/stɹeɪn/cepa, estirpe
immune adjetivo/ɪˈmjuːn/imune, isento
organ substantivo/ˈɔːɡən/órgão
vaccine substantivo/vækˈsin/vacina

Gramática neste vídeo

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

EstruturaNo vídeo
Present perfect have/has + particípio passado — uma ação passada que ainda importa agorahas reached · have been contained · has displaced
Voz passiva be + particípio passado — o foco está no que acontece, não em quem fazhave been contained

Pronúncia para ficar de olho

  • Os sons de “sh” e “zh”: infectious /ɪnˈfɛk.ʃəs/, rush /ɹʌʃ/, inflammation /ɪnfləˈmeɪ̯ʃən/

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 virus, outbreak, infectious.

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 →