Shadowing-Übung: TOEFL Listening Practice | Lecture | Diabetes - Englisch Sprechen Lernen mit Video

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Many individuals suffering from the medical condition known as diabetes rely on artificial insulin to maintain good health.
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The principal means of delivering insulin to the body is via injection,
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but work is being done to develop other reliable means of administering it without having to use a syringe.
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Charlotte Newman reports.
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Diabetes is a condition in which the body does not release or properly respond to insulin, a hormone produced in the pancreas.
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Many diabetics require regular insulin injections to regulate their blood glucose levels, in some cases, as many as 10 or more shots a day.
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Although insulin injections allow diabetics to live full and active lives, the treatment does have inherent disadvantages.
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But at Syracuse University in New York, a new delivery method is currently under development.
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Insulin chewing gum.
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Chemist Max Garcia is here to tell us more.
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Well, while many diabetics inject themselves regularly without any real discomfort, some do experience pain and itching where the needle breaks the skin.
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A condition known as lipodystrophy in which the skin puckers can even develop at the site of multiple injections.
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At affected areas, the absorption of insulin may be impaired, making it difficult to calculate the correct dosage.
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Oral delivery of insulin would, therefore, be a preferable treatment.
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But the development of pills
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and capsules has been hampered by various problems relating to the physical and chemical stability of the hormone.
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One major challenge has been to find a way to protect insulin from the hostile conditions in the digestive system.
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Apparently, insulin molecules delivered by mouth will be broken down by the high acidity they encounter in the digestive tract.
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Scientists have tried various strategies to overcome this obstacle.
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And now the team at Syracuse has come up with a potential solution.
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That's right.
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Using their knowledge of the digestive system,
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our scientists realized that the body has a mechanism to protect valuable molecules as they pass through the digestive system.
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So the team decided to chemically bind insulin molecules to vitamin B12,
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A protein called haptocorin, present in the saliva in the mouth,
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joins with this particular vitamin to ensure its safe passage through the stomach to the intestine.
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The research team's idea was simply for the insulin to hitch a ride, as it were, along with a protected vitamin.
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This particular vitamin seems to be a very good choice once
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the b12 reaches the intestine intact another chemical takes over from the haptocorin to help it enter the bloodstream
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so by binding insulin to vitamin b12 the chances of it
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being absorbed into the bloodstream are optimized early tests with rats indicate
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that the researchers are on the right track in these tests the new treatment was administered in liquid form
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but chewing gum would probably be a more efficient medium for human beings.
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Through the chewing action, we could ensure sufficient haptocorin is produced.
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If this solution proves feasible and viable,
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diabetics might one day be able to throw away their syringes and reach for a pack of 1.
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What is one reason why researchers want to find an alternative delivery system for insulin?
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Number 2.
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What difficulty has impeded attempts to develop an oral insulin treatment?
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Number 3.
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What breakthrough did the chemists at Syracuse University make?
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Number 4.
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In which part of the body does haptocorin's protective function end?
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5. What is the current status of the research into chewing gum as a medium for insolent?
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Number 1.
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What is one reason why researchers want to find an alternative delivery system for insulin?
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Well, while many diabetics inject themselves regularly without any real discomfort, some do experience pain and itching where the needle breaks the skin.
48
A condition known as lipodystrophy, in which the skin puckers can even develop at the site of multiple injections.
49
Number 2.
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What difficulty has impeded attempts to develop an oral insulin treatment?
51
Apparently, insulin molecules delivered by mouth will be broken down by the high acidity they encounter in the digestive tract.
52
Scientists have tried various strategies to overcome this obstacle, and now the team at Syracuse has come up with a potential solution.
53
Number three.
54
What breakthrough did the chemists at Syracuse University make?
55
that's right using their knowledge of the digestive system our scientists realized
56
that the body has a mechanism to protect valuable molecules as they pass through the digestive system
57
so the team decided to chemically bind insulin molecules to vitamin b12 a protein called haptocorin,
58
present in the saliva in the mouth, joins with this particular vitamin to ensure its safe passage through the stomach to the intestine.
59
Number 4.
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In which part of the body does haptocorin's protective function end?
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Once the B12 reaches the intestine intact, another chemical takes over from the haptocorin to help it enter the bloodstream.
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So by binding insulin to vitamin B12, the chances of it being absorbed into the bloodstream are optimized.
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Number 5.
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What is the current status of the research into chewing gum as a medium for insulin?
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Early tests with rats indicate that the researchers are on the right track.
66
In these tests, the new treatment was administered in liquid form, but chewing gum would probably be a more efficient medium for human beings.
67
Through the chewing action, we could ensure sufficient haptochorin is produced.

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Wortschatz und Sprechhinweise zu dieser Lektion

Diese Sprechübung basiert auf dem Video „TOEFL Listening Practice“. Diese Wörter kommen am häufigsten vor: insulin, vitamin, digestive, chewing, molecules. Dieses Video enthält 67 Sätze und 876 Wörter zum Nachsprechen. Der gesprochene Teil dauert 8:29. Der Sprecher spricht langsam, etwa 103 Wörter pro Minute, sodass genug Zeit bleibt, jeden Laut nachzuahmen. Nur 74 % der Wörter gehören zu den 3.000 häufigsten im Englischen, der Wortschatz ist also anspruchsvoll.

Wichtiger Wortschatz in diesem Video

15 lernenswerte Wörter aus dem Video, mit Aussprache und Bedeutung:

WortAusspracheBedeutung
insulin Substantiv/ˈɪnsəlɪn/Insulin
vitamin Substantiv/ˈvɪt.ə.mɪn/Vitamin
chew Verb/tʃuː/kauen
molecule Substantiv/ˈmɑ.lɪ.kjul/Molekül
injection Substantiv/ɪnˈd͡ʒɛk.ʃən/Injektion, Spritze
scientist Substantiv/ˈsaɪəntəst/Wissenschaftler, Wissenschaftlerin
researcher Substantiv/ˈɹiˌsɝ.t͡ʃɚ/Forscher, Forscherin
oral Adjektiv/ˈɔː.ɹəl/oral
administer Verb/ədˈmɪn.ɪ.stə/verwalten, administrieren
chemist Substantiv/ˈkɛmɪst/Chemiker, Chemikerin
efficient Adjektiv/ɪˈfɪʃənt/effizient
stomach Substantiv/ˈstʌmək/Magen
liquid Substantiv/ˈlɪk.wɪd/Flüssigkeit
indicate Verb/ˈɪndɪˌkeɪt/anzeigen, anweisen
difficulty Substantiv/ˈdɪfɪkəlti/Schwierigkeit

Phrasal Verbs, die du hören wirst

WortBedeutung
break down Verbversagen, den Geist aufgeben
come up with Verbausdenken
throw away Verbfortwerfen, wegwerfen

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 tutbeing done · may be impaired · has been hampered
Present Perfect have/has + Partizip Perfekt – eine vergangene Handlung, die jetzt noch wichtig isthas been hampered · has been · have tried

Aussprache, auf die du achten solltest

  • Die Laute „sh“ und „zh“: injection /ɪnˈd͡ʒɛk.ʃən/, efficient /ɪˈfɪʃənt/, sufficient /səˈfɪʃənt/, artificial /ˌɑː.tɪˈfɪʃ.əl/, absorption /æbˈsɔɹp.ʃn̩/
  • Lange Wörter – auf die Betonung achten: administer /ədˈmɪn.ɪ.stə/, difficulty /ˈdɪfɪkəlti/, mechanism /ˈmɛk.ə.nɪ.zəm/, stability /stəˈbɪlɪti/, artificial /ˌɑː.tɪˈfɪʃ.əl/

Laute, die Deutschsprachigen schwerfallen:

  • Stimmhafter Auslaut — /b/, /d/, /g/, /z/, /v/ am Wortende nicht verhärten: bind /ˈbaɪ̯nd/, liquid /ˈlɪk.wɪd/, passage /ˈpæsɪd͡ʒ/, diabetes /ˌdaɪəˈbiːtiːz/, protective /pɹəˈtɛk.tɪv/
  • /æ/ — offener als „ä“: passage /ˈpæsɪd͡ʒ/, rat /ɹæt/, intact /ɪnˈtækt/, absorb /æbˈsɔɹb/, tract /tɹækt/
  • /dʒ/ — stimmhaft, nicht „tsch“: injection /ɪnˈd͡ʒɛk.ʃən/, passage /ˈpæsɪd͡ʒ/, disadvantage /ˌdɪsədˈvæntɪd͡ʒ/, dosage /ˈdəʊsɪd͡ʒ/, digestive /daɪˈdʒɛstɪv/

So übst du mit diesem Video

  1. Höre dir das ganze Video einmal an, ohne zu sprechen, und notiere die Wörter, die du nicht kennst.
  2. Sprich Satz für Satz in normaler Geschwindigkeit nach und wiederhole jeden, bis dein Rhythmus zum Sprecher passt.
  3. Nimm dich auf und vergleiche mit dem Original; achte dabei auf Wörter wie insulin, vitamin, chew.

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 →