Prática de Shadowing: Transparency – Allowing Light to Pass Through - Aprenda a falar inglês com vídeo
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Every day we use and see objects made from various materials like metal, wood, glass, plastic, fabric and rubber.
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It's important to know what these materials can do, especially if you're making something.
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You need to pick the right material so that your object works the way it should and is safe to use.
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One key thing to understand is how a material interacts with light.
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This is called transparency.
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Some materials let lots of light through, some let only a little through, and some don't let any through at all.
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Take a look at this glass bowl.
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You can see right through it.
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That's because glass is a transparent material.
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It lets almost all the light pass through, which is why you can see the salad inside the bowl so clearly.
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Now, see those plastic bags holding apples?
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You can kind of see inside, but not perfectly.
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The bags are translucent, meaning they let some light through, but not all.
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And lastly, look at the metal mixing bowl.
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You can't see inside it at all, can you?
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That's because it's an opaque material.
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Opaque materials don't let any light through.
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Understanding transparency can help you know why some objects work better than others for certain jobs.
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So next time you pick something up, think about what it's made of and how that affects what it can do.
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Vocabulário e dicas de fala para esta lição
Esta aula de conversação de nível A2 usa o vídeo “Transparency – Allowing Light to Pass Through”. As palavras que mais se repetem: material, object, bowl, glass, inside. Este vídeo tem 19 frases e 228 palavras para praticar shadowing. A fala dura 1:25. O falante fala em ritmo natural, cerca de 161 palavras por minuto, próximo de uma conversa do dia a dia. 91% das palavras estão entre as 3.000 mais comuns do inglês, por isso o vocabulário é fácil de acompanhar.
Vocabulário principal deste vídeo
12 palavras do vídeo que vale a pena aprender, com pronúncia e significado:
| Palavra | Pronúncia | Significado |
|---|---|---|
| transparency substantivo | /tɹænsˈpæɹənsi/ | transparência |
| rubber substantivo | /ˈɹʌbɚ/ | borracha |
| salad substantivo | /ˈsæl.əd/ | salada |
| interact verbo | /ɪn.təˈɹækt/ | interagir |
| transparent adjetivo | /tɹænsˈpæɹənt/ | transparente |
| opaque adjetivo | /əʊˈpeɪk/ | opaco |
| translucent adjetivo | /tɹænzˈlu.sənt/ | translúcido, diáfano |
| bowl substantivo | /boʊl/ | tigela, malga |
| object substantivo | /ˈɑb.d͡ʒɛkt/ | objeto |
| plastic substantivo | /ˈplæstɪk/ | plástico |
| perfectly advérbio | /ˈpɝ.fɪk(t).li/ | perfeitamente |
| affect verbo | /əˈfɛkt/ | afetar |
Gramática neste vídeo
As estruturas que o falante mais usa, com as palavras exatas do vídeo:
| Estrutura | No vídeo |
|---|---|
| Voz passiva be + particípio passado — o foco está no que acontece, não em quem faz | is called |
| Orações relativas who / which + oração — informação extra sobre uma pessoa ou coisa | through, which is |
| Conselho com “should” should + verbo — dizer o que é uma boa ideia | should and |
| Comparativos -er than / more … than — comparar duas coisas | better than |
Pronúncia para ficar de olho
O falante usa 4 contrações e formas reduzidas, como don't, can't, you're. Diga-as na forma curta, do jeito que você ouve.
Sons difíceis para falantes de português:
- Consoante final — sem acrescentar um “i” depois: salad /ˈsæl.əd/, fabric /ˈfæb.ɹɪk/, interact /ɪn.təˈɹækt/, transparent /tɹænsˈpæɹənt/, opaque /əʊˈpeɪk/
Como praticar com este vídeo
- Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
- Comece na velocidade 0,75×, faça shadowing frase por frase e volte à velocidade normal quando ficar fácil.
- Grave a sua voz e compare com o original, prestando atenção a palavras como transparency, rubber, salad.
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.