Shadowing-Übung: Listening Test 3. Part 4: Microplastics - Englisch Sprechen Lernen mit Video

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Part 4.
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You will hear part of an environmental science lecture about microplastics.
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First, you have some time to look at questions 31 to 40.
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Now listen carefully and answer questions 31 to 40.
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In today's lecture, I'm going to be talking about microplastics.
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Microplastics are tiny pieces of plastic smaller than 5 mm in size.
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Recently, there's been a greater awareness that there are large quantities of plastic waste, big and small, in the environment.
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The amount of plastic waste in the oceans has received widespread attention,
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but far less is known about the effects of microplastics in freshwater and particularly in soil oil.
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Microplastics can enter the environment via a number of different sources.
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Threads and microfibres detach from synthetic clothing every time they're put in a washing machine,
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and these find their way into the water system.
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Other sources include big pieces of plastic waste that are already in the environment,
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and these break down into microscopic particles over a period of time.
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On a larger scale, factory waste is another route, as our tyres, which wear down as cars,
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lorries and so on, travel along road surfaces.
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We already understand some of the impacts of microplastics from studies involving fish and other animals.
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There is evidence that microplastics harm small creatures in a variety of ways, such as by damaging their mouths,
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or by impairing their ability to feed, for example when microplastics get lodged in their digestive system.
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Surprisingly, perhaps, it is likely that humans consume microplastics, as these have been detected in a wide range of food and drink products,
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including bottled water, as well as in water that comes direct from the tap.
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What's more, salt and many kinds of seafood have also been found to contain microplastics.
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However, it's important to underline that there is not yet conclusive proof that microplastics cause significant harm to people.
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In many countries, including here in the UK, there is legislation which prevents manufacturers from adding plastic microbeads to shower gels,
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facial cleansers and toothpaste.
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It is very difficult to accurately estimate the total amount of
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microplastic particles in the soil as they can be hard to detect
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but we do know they are carried in the air and deposited in the soil by rain.
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What's more many of the fertilizers used by both farmers and gardeners contain microplastics.
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A team from the Anglia Ruskin University in Cambridge has carried
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out a study of the effects of microplastics on the digestive tracts of earthworms.
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These worms, which live in topsoil, are an essential component of our agricultural system.
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By feeding on soil, they mix nutrients into it, thereby making it more fertile.
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The researchers set out to discover whether the introduction of microplastics into the soil
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and the subsequent ingestion of these by earthworms would impact soil quality and ultimately inhibit plant growth.
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The short answer was yes, it did.
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After placing three different types of microplastic particles into the soil, they planted perennial ryegrass.
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The particles of microplastic, which included biodegradable PLA and conventional high-density polyethylene,
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or HTPE, were then ingested by the earthworms in the soil.
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The result was that the worms lost weight rapidly.
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What's more, a lower percentage than normal of the ryegrass seeds germinated, and the researchers concluded
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that this was a direct result of the earthworms being unable to fulfil their normal role in making soil more fertile.
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The team also discovered that there was an increase in the amount of acid found in the soil,
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and this was attributed mainly to the microplastic particles from conventional HDPE plastic.
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The conclusions of the study make for very interesting reading.
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I've included the reference in the notes to give you at the end of this session.
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To summarise, the authors proposed the idea that we need to regard soil as we would regard any other process in nature.
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This means we should accept the implications of soil being dependent on decaying
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and dead matter constantly being passed through the bodies of earthworms.
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That is, when soil becomes impoverished by the presence of microplastics,
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not only ecosystems but also the whole of society are negatively impacted.
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That is the end of part four.
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Thank you.
📺 Gleicher Kanal
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Das Szenario: Ein Umweltwissenschafts-Vortrag über Mikroplastik

Der Video-Vortrag behandelt ein aktuelles Thema: Mikroplastik in der Umwelt. Solche wissenschaftlichen Inhalte sind ideal, um Englisch in einem realen Kontext zu lernen – sie kombinieren fachliche Informationen mit klarer, strukturiertem Sprachgebrauch. Ob du an Umweltschutz interessiert bist oder einfach deine Hörverstehensfähigkeit verbessern willst, dieser Text hilft dir, komplexe Themen in Englisch zu verarbeiten. Englisch lernen mit YouTube bietet hier die Chance, nicht nur Wissen zu sammeln, sondern auch die Aussprache und Rhythmus von akademischer Sprache zu trainieren.

Nützliche Chunks & Kollokationen

  • "break down into microscopic particles": "Zerfallen zu mikroskopischen Partikeln" – eine häufige Kombination in naturwissenschaftlichen Texten.
  • "impairing their ability to feed": "Beeinträchtigen ihrer Fähigkeit zu fressen" – zeigt, wie man die Auswirkung von Schädlingen beschreibt.
  • "conclusive proof": "Entscheidender Beweis" – wichtig für Diskussionen über wissenschaftliche Ergebnisse.
  • "inhibit plant growth": "Pflanzenwachstum hemmen" – nützlich für Themen wie Landwirtschaft und Ökologie.
  • "attributed mainly to": "Hauptsächlich zurückzuführen auf" – hilft, Ursachen zu benennen.

Deine Shadowing-Herausforderung

Shadowing (auch "shadow speak" oder "shadowspeaks" genannt) ist eine effektive Methode, um Aussprache und Flüssigkeit zu verbessern. Probier es mit diesem Video: Wähle einen 30-sekündigen Abschnitt (z. B. die Einführung über Mikroplastikquellen). Höre ihn zuerst einmal genau an, dann sprich sofort hinterher – versuche, die Intonation, den Tempo und die Betonung zu kopieren. Wiederhole dies 3–5 Mal. Dadurch trainierst du nicht nur dein Gehör, sondern auch deine Muskeln für die englische Aussprache. Englisch Shadowing hilft, sich natürliche Sprachmuster anzueignen, die du später selbstständig verwenden kannst. Denke daran: Die Schlüssel ist, nicht zu langsam zu sein – versuche, so nah wie möglich an der Originalsprache zu bleiben!

Grammatik in diesem Video

Die Strukturen, die der Sprecher am häufigsten verwendet, mit den genauen Worten aus dem Video:

StrukturIm Video
Passiv be + Partizip Perfekt – wichtig ist, was geschieht, nicht wer es tutis known · have been detected · been found
Present Perfect have/has + Partizip Perfekt – eine vergangene Handlung, die jetzt noch wichtig isthas received · have been detected · have also been found

Was ist die Shadowing-Technik?

Shadowing ist eine wissenschaftlich fundierte Sprachlerntechnik, die ursprünglich für die professionelle Dolmetscherausbildung entwickelt und durch den Polyglotten Dr. Alexander Arguelles populär gemacht wurde. Die Methode ist einfach aber wirkungsvoll: Du hörst englisches Audio von Muttersprachlern und wiederholst es sofort laut — wie ein Schatten, der dem Sprecher mit nur 1–2 Sekunden Verzögerung folgt. Anders als passives Hören oder Grammatikübungen zwingt Shadowing dein Gehirn und deine Mundmuskulatur, gleichzeitig echte Sprachmuster zu verarbeiten und zu reproduzieren. Studien zeigen, dass es Aussprachegenauigkeit, Intonation, Rhythmus, verbundene Sprache, Hörverständnis und Sprechflüssigkeit signifikant verbessert — was es zu einer der effektivsten Methoden für die IELTS Speaking-Vorbereitung und reale englische Kommunikation macht.

Shadowing-Technik: die vollständige Schritt-für-Schritt-Anleitung lesen →