Prática de Shadowing: IELTS listening practice Part 4 - Leatherback turtle (answer & transcript) - Aprenda a falar inglês com vídeo
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secreture called leatherback turtle.
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Janet O 'Vanakin of Florida Atlantic University has shown that they are the voltages of the leatherback's streamlined shape.
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Swimming leatherback turtles have a lower drag, more efficient than other species indicating more efficient force.
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To swim at the same distance to other sea turtles of the comparable size and weight, leatherback turtles spend on average 20 % less energy.
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Among all the deep diving animals, the champions have always been assumed to be the marine mammals, the great whales and airless seals.
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Our recent investigations, however, suggest that leatherback sea turtles may also be ranked among the ocean's greatest air -breathing dive reptiles.
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While mirroring the dives of the leatherback sea turtles near St. Crocs, In the U .S.
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Virgin Islands, scientists recorded a 650 pounds female ascended to more than 3 ,000 330 feet and remained there for 37 minutes.
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High pressure also poses a challenge to the deep diver in terms of strong forces that could compress the chest.
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causing broken bones or tissue damage.
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Unlike its hard -shelled relatives, Leatherbugs has a softer shell made up from widely separated ribs embedded in thick tissue.
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and whole structure is overlaid with a leathery skin.
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How do the deep diving animals, whales, seals, penguins, and leatherback turtles avoid decompression, sickness, and other hazards while they dive to the great depths,
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even sleep for a long period of time?
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Many of the deepest diving marine mammals have a small lungs
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and falsely exhale before diving in addition to reducing the balance so that they can dive more easily.
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This severely limits the amount of nitrogen in their bloodstream.
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One reason the leatherback ranges so far may be to specialise the diet
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This giant of the sea feeds mainly on jellyfish full of high protein
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and other useful minerals that are required during the day.
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Although the variety of jellyfish and related prey are abundant, They are eaten by few other animals.
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As one might suspect, a lifespan eating mostly jellyfish requires some special adaptions to make the job easier.
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During the 1984 and 1985 nesting seasons, With the assistance of scientists, attach the recorders to 10 female leather bags that just laid eggs.
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As a result, we are able to monitor the pattern of migration in Atlantic Ocean, when they return to the sea.
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Some of the longest travel recorded for many animals have been made by this marine turtle.
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In 1970, a female leatherback was tagged when she nested in Surami on the northeastern coast of South America.
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Less than one year later, she was captured off the coast of Ghana, West Africa, having traveled 3 ,700 miles across the Atlantic Ocean.
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Upon returning to the surface, the turtles change a quick breath and immediately hanging the street down again.
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Little or no time was given to sleep or rest.
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We then begin to track and tag the turtles when they swim back to the surface.
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On closer examination, we notice the difference in dives depending on the time of the day.
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Night dives were shallower with less in depth than day dives.
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Leatherbacks are such swimmers that they rarely stop moving a behavior that has made it impossible to keep them in captivity.
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The front flippers and more than half the lens of Ditto's body and the generated power from huge muscles.
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which can account for 30 % of the animal's total body weight.
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Since leather bags cannot easily be studied in captivity, researchers have been developing methods of studying them at sea.
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They use the recorder, an instrument capable of recording location and the depths in C.
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developed by Gerard Kuhlman of Psychological Research Laboratory.
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The device has been used to study diving marine animals.
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Why they keep diving, scientists soon realized that the turtles were probably costing much of the energy to follow their food source.
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In tropical waters, jellyfish are most common at great depths in a biological zone called the deep scattering layer.
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Discovered shortly after development of the sonar,
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This zone consists of a layer of zooplankton below 1 ,800 feet during the day and migrates to the surface at night.
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Por que praticar a fala com este vídeo?
Praticar a fala é fundamental para qualquer estudante de inglês, e este vídeo sobre a tartaruga-de-couro oferece um contexto riquíssimo para isso. Ao envolver-se com uma apresentação científica, você não apenas melhora sua pronúncia, mas também enriquece seu vocabulário técnico. A técnica de shadowing (sombreamento) permite que você ouça a fala do falante nativo e repita em tempo real, facilitando a internalização de expressões e estruturas gramaticais. Além disso, o conhecimento adquirido sobre a tartaruga-de-couro pode despertar seu interesse por tópicos relacionados ao meio ambiente, tornando a prática ainda mais prazerosa.
Gramática & Expressões em Contexto
No vídeo, várias estruturas gramaticais são empregadas que são valiosas para os aprendizes de inglês. Aqui estão algumas delas:
- Uso do gerúndio: Frases como “swimming leatherback turtles” mostram como o gerúndio é usado para descrever ações em andamento.
- Construções comparativas: A frase “more efficient than other species” apresenta a comparação, essencial para argumentação e descrição.
- Estruturas de passado: Compreender o uso do passado em expressões como “were tagged” é crucial para relatar eventos históricos ou experiências pessoais.
Esses exemplos ajudam a expandir seu conhecimento de gramática e a utilizá-las corretamente em conversações reais, facilitadas pela prática de shadow speak que o vídeo proporciona.
Erros Comuns de Pronúncia
A pronúncia pode ser desafiadora, especialmente ao lidar com palavras técnicas. Algumas armadilhas de pronúncia a serem observadas incluem:
- Tartaruga-de-couro: A palavra “leatherback” pode ser difícil para os falantes não nativos, focando na pronúncia correta da sílaba “back”.
- Compressão: A palavra “compression” deve ser pronunciada com atenção ao som “sh”, que pode ser uma dificuldade comum.
- Profundidade: “Depth” é uma palavra que frequentemente causa confusão, então é importante praticá-la durante o shadowing em inglês.
Esses cuidados com a pronúncia, juntamente com a repetição ativa, são cruciais para a fluência e compreensão auditiva no inglês.
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.