Prática de Shadowing: You're Not Hallucinating. That's Just Squid Skin. | Deep Look - Aprenda a falar inglês com vídeo
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34 frases
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1
Cuttlefish, octopuses, and squid have an almost otherworldly ability to control their appearance.
2
What makes it possible are these spots.
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They're called chromatophores.
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They're like tiny water balloons filled with colored pigment.
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When the balloons expand, you see more pigment, more color.
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When they contract, the color shrinks to a tiny dot.
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The overall effect can be really dramatic, and for good reason.
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These animals don't have protective external shells.
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They're unarmored, naked, and they aren't great swimmers either.
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Camouflage is their best defense.
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They have to be good at it.
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Octopuses can change their body position and the pattern on their skin to match rock or coral.
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Octopuses and cuttlefish can even change the texture of their skin to throw off predators, become bumpier and more rock -like.
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But squid often live in the open ocean.
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How do you blend in when there's nothing except water to blend into?
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They do it by changing the way light bounces off their skin.
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They can actually adjust how iridescent their skin is using light -reflecting cells called iridophores.
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They can mimic the way sunlight filters down from the surface, hide in plain sight.
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So how do they control all this color change?
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Is it voluntary or some kind of built -in reflex?
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That's what researchers at Stanford University wanted to know.
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So they anesthetized the squid and then snipped the nerve from the brain that controls the chromatophores, but only on one side of the animal.
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The brain essentially couldn't send messages to the tiny muscles that control those chromatophores anymore.
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Almost like turning off a light switch.
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But after a few days, they noticed something strange.
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The chromatophores began blinking again, even though they were no longer getting signals from the brain.
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So what does this mean?
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Well, what it suggests is that color change might be a bit like breathing is for humans,
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something we can either choose to do or do automatically, only even cooler.
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Because unlike breathing, color change requires an awareness of your surroundings.
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And in these animals, that awareness is spread throughout the skin, as if the skin itself could see.
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It would be as if your skin knew what color the walls were, even with your eyes closed.
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For a soft and squishy creature trying to stay alive in a very big ocean, it's a pretty spectacular defense.
34
Thank you.
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Vocabulário e dicas de fala para esta lição
Esta aula de conversação usa o vídeo “You're Not Hallucinating. That's Just Squid Skin”. As palavras que mais se repetem: skin, color, chromatophores, octopuses, squid. Este vídeo tem 31 frases e 395 palavras para praticar shadowing. A fala dura 2:51. O falante mantém um ritmo estável de cerca de 139 palavras por minuto, confortável para o shadowing. Apenas 81% 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:
| Palavra | Pronúncia | Significado |
|---|---|---|
| awareness substantivo | /əˈwɛɹ.nəs/ | consciência |
| breathe verbo | /bɹiːð/ | respirar |
| blend verbo | /blɛnd/ | misturar |
| balloon substantivo | /bəˈlun/ | balão, bexiga |
| muscle substantivo | /ˈmʌs.əl/ | músculo |
| plain substantivo | /pleɪn/ | planície |
| essentially advérbio | /ɪˈsɛnʃəli/ | em essência, essencialmente |
| dramatic adjetivo | /dɹəˈmætɪk/ | dramático |
| reflect verbo | /ɹɪˈflɛkt/ | refletir |
| shell substantivo | /ʃɛl/ | concha |
| filter substantivo | /ˈfɪltɚ/ | filtro, crivo |
| nerve substantivo | /nɝv/ | nervo |
| protective adjetivo | /pɹəˈtɛk.tɪv/ | protetor, protetivo |
| adjust verbo | /əˈd͡ʒʌst/ | ajustar |
| spectacular adjetivo | /spɛkˈtæk.jə.lɚ/ | espetacular |
Phrasal verbs que você vai ouvir
| Palavra | Significado |
|---|---|
| turn off verbo | desligar, apagar |
Pronúncia para ficar de olho
O falante usa 6 contrações e formas reduzidas, como they're, aren't, couldn't. Diga-as na forma curta, do jeito que você ouve.
- Os sons de “th”: breathe /bɹiːð/, anesthetize /əˈnɛs.θə.taɪz/, otherworldly /ˌʌðəɹˈwɜɹl(d)li/
- Os sons de “sh” e “zh”: essentially /ɪˈsɛnʃəli/, shell /ʃɛl/, cuttlefish /ˈkʌt(ə)lfɪʃ/, camouflage /ˈkæ.məˌflɑːʒ/, squishy /ˈskwɪʃi/
- Palavras longas — acerte a sílaba tônica: essentially /ɪˈsɛnʃəli/, spectacular /spɛkˈtæk.jə.lɚ/, voluntary /ˈvɑ.lənˌt(ɛ)ɹi/, chromatophore /krəˈmætəˌfɔr/, anesthetize /əˈnɛs.θə.taɪz/
Sons difíceis para falantes de português:
- Consoante final — sem acrescentar um “i” depois: blend /blɛnd/, dramatic /dɹəˈmætɪk/, reflect /ɹɪˈflɛkt/, expand /ɪkˈspænd/, adjust /əˈd͡ʒʌst/
- /l/ final — a língua toca o céu da boca, não vira “u”: muscle /ˈmʌs.əl/, shell /ʃɛl/, coral /ˈkɔɹəl/
- s + consoante no início — sem um “i” antes: spectacular /spɛkˈtæk.jə.lɚ/, snip /snɪp/, squishy /ˈskwɪʃi/
Como praticar com este vídeo
- Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
- Faça shadowing frase por frase na velocidade normal, repetindo cada uma até o seu ritmo ficar igual ao do falante.
- Grave a sua voz e compare com o original, prestando atenção a palavras como awareness, breathe, blend.
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.