Prática de Shadowing: Cambridge 19 listening test 2 section 4 - Aprenda a falar inglês com vídeo

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For my project on invertebrates, I chose to study tardigrades.
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These are microscopic, or to be more precise, near -microscopic animals.
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There are well over a thousand known species of these tiny animals, which belong to the phylum Tardigrada.
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Most tardigrades range in length from 0 .05 to 1 mm,
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though the largest species can grow to be 1 .2 mm in length.
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They're also sometimes called water bears, water because that's where they thrive best and bear because of the way they move.
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Moss piglet is another name for tardigrades because of the way they look when viewed from the front.
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They were first discovered in Germany in 1773 by Johann Goetzer, who coined the name Tardigrada.
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As I say, there are many different species of tardigrade.
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Too many to describe here, but generally speaking, the different species share similar physical traits.
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They have a body which is short and also rounded, a bit like a barrel, and the body comprises four segments.
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Each segment has a pair of legs, at the end of which are between four and eight sharp claws.
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I should also say that some species don't have any claws.
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What they have are discs and these work by means of suction.
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They enable the tardigrade to cling on to surfaces or to grip its prey.
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Within the body there are no lungs or any organs for breathing at all.
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Instead oxygen and also blood are transported in a fluid that fills the cavity of the body.
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As far as the tardigrade's head is concerned, the best way I can describe this is that it looks rather strange,
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a bit squashed even, though many of the websites I looked at described its appearance as cute, which isn't exactly very scientific.
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The tardigrade's mouth is a kind of tube that can open outwards to reveal teeth -like structures known as stylets.
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These are sharp enough to pierce plant or animal cells.
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So where are tardigrades found?
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Well, they live in every part of the world, in a variety of habitats, most commonly on the bed of a lake,
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or on many kinds of plants, or in very wet environments.
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There's been some interesting research which has found
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that tardigrades are capable of surviving radiation and very high pressure
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and they're also able to withstand temperatures as cold as minus 200 degrees centigrade or highs of more than 148 degrees centigrade,
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which is incredibly hot.
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It has been said that tardigrades could survive long after human beings have been wiped out, even in the event of an asteroid hitting the Earth.
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If conditions become too extreme and tardigrades are at risk of drying out, they enter a state called cryptobiosis.
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They curl into a ball called a tun, that's T -U -N, by retracting their head and legs,
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and their metabolism drops to less than 1 % of normal levels.
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They can remain like this until they're reintroduced to water, when they will come back to life in a matter of a few hours.
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While in a state of cryptobiosis, tardigrades produce a protein that protects their DNA.
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In 2016, scientists revived two tardigrades that had been tons for more than 30 years.
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There was a report that, in 1948, a 120 -year -old ton was revived,
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but this experiment has never been repeated.
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There are currently several tests taking place in space to determine how long tardigrades might be able to survive there.
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I believe the record so far is 10 days.
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So, moving on.
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In terms of their diet, tardigrades consume liquids in order to survive.
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Although they have teeth, they don't use these for chewing.
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They suck the juices from moss or extract fluid from seaweed.
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But some species prey on other tardigrades, from other species or within their own.
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I suppose this isn't surprising given that tardigrades are mainly comprised of liquid and are coated with a type of gel.
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Finally I'd like to mention the conservation status of tardigrades.
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It is estimated that they have been in existence for approximately half a billion years and,
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in that time, they have survived five mass extinctions.
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So it will probably come as no surprise to you
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that tardigrades have not been evaluated by the International Union for Conservation of Nature and are not on any endangered list.
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Some researchers have described them as thriving.
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Does anyone have any questions they'd like to ask?
📺 Mesmo canal
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Contexto e Fundamentos

O vídeo explora tardígrados, animais microscópicos conhecidos por sua resistência extrema. A fala é clara, com termos científicos mas estrutura acessível, ideal para praticar compreensão e pronúncia. Essa conversa é um excelente material para quem quer aprimorar a prática de conversação em inglês, pois combina explicações detalhadas com vocabulário específico, refletindo situações reais de relatos acadêmicos.

5 Frases Chave para Comunicação Diária

  • "They thrive best" (Eles se desenvolvem melhor) – Útil para descrever habitats ou preferências.
  • "Share similar physical traits" (Compartilham características físicas semelhantes) – Perfeito para comparar seres ou objetos.
  • "Withstand temperatures" (Resistem a temperaturas) – Importante em discussões sobre clima ou resistência.
  • "Enter a state called" (Entram em um estado chamado) – Ideal para explicar processos biológicos ou químicos.
  • "Consume liquids to survive" (Consomem líquidos para sobreviver) – Fundamental em contextos de biologia ou sobrevivência.

Guia Passo a Passo para Shadowing em Inglês

O shadowing em inglês (técnica de repetir imediatamente após a fala) é eficaz aqui. Siga estes passos: 1) Ouça um trecho de 10 segundos e pause. 2) Repita a frase, imitando a entonação e o ritmo – use "shadow speak" para se aproximar da pronúncia nativa. 3) Foque em palavras como "tardigrade" ou "cryptobiosis", garantindo clareza. 4) Aumente o tempo do trecho gradualmente. 5) Grave-se e compare com o vídeo para ajustes. Essa prática de shadow speech melhora a fluência e a compreensão auditiva, tornando a fala mais natural. Lembre: a chave é a consistência – 10 minutos diários com esse vídeo já trazem resultados visíveis.

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 fazare transported · is concerned · has been said
Present perfect have/has + particípio passado — uma ação passada que ainda importa agorahas found · has been said · has never been repeated
Orações relativas who / which + oração — informação extra sobre uma pessoa ou coisabody which is · research which has

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 →