쉐도잉 연습: TOEFL Listening Practice | Lecture | Diabetes - 영상으로 영어 말하기 배우기

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Many individuals suffering from the medical condition known as diabetes rely on artificial insulin to maintain good health.

The principal means of delivering insulin to the body is via injection,

but work is being done to develop other reliable means of administering it without having to use a syringe.

Charlotte Newman reports.

Diabetes is a condition in which the body does not release or properly respond to insulin, a hormone produced in the pancreas.

Many diabetics require regular insulin injections to regulate their blood glucose levels, in some cases, as many as 10 or more shots a day.

Although insulin injections allow diabetics to live full and active lives, the treatment does have inherent disadvantages.

But at Syracuse University in New York, a new delivery method is currently under development.

Insulin chewing gum.

Chemist Max Garcia is here to tell us more.

Well, while many diabetics inject themselves regularly without any real discomfort, some do experience pain and itching where the needle breaks the skin.

A condition known as lipodystrophy in which the skin puckers can even develop at the site of multiple injections.

At affected areas, the absorption of insulin may be impaired, making it difficult to calculate the correct dosage.

Oral delivery of insulin would, therefore, be a preferable treatment.

But the development of pills

and capsules has been hampered by various problems relating to the physical and chemical stability of the hormone.

One major challenge has been to find a way to protect insulin from the hostile conditions in the digestive system.

Apparently, insulin molecules delivered by mouth will be broken down by the high acidity they encounter in the digestive tract.

Scientists have tried various strategies to overcome this obstacle.

And now the team at Syracuse has come up with a potential solution.

That's right.

Using their knowledge of the digestive system,

our scientists realized that the body has a mechanism to protect valuable molecules as they pass through the digestive system.

So the team decided to chemically bind insulin molecules to vitamin B12,

A protein called haptocorin, present in the saliva in the mouth,

joins with this particular vitamin to ensure its safe passage through the stomach to the intestine.

The research team's idea was simply for the insulin to hitch a ride, as it were, along with a protected vitamin.

This particular vitamin seems to be a very good choice once

the b12 reaches the intestine intact another chemical takes over from the haptocorin to help it enter the bloodstream

so by binding insulin to vitamin b12 the chances of it

being absorbed into the bloodstream are optimized early tests with rats indicate

that the researchers are on the right track in these tests the new treatment was administered in liquid form

but chewing gum would probably be a more efficient medium for human beings.

Through the chewing action, we could ensure sufficient haptocorin is produced.

If this solution proves feasible and viable,

diabetics might one day be able to throw away their syringes and reach for a pack of 1.

What is one reason why researchers want to find an alternative delivery system for insulin?

Number 2.

What difficulty has impeded attempts to develop an oral insulin treatment?

Number 3.

What breakthrough did the chemists at Syracuse University make?

Number 4.

In which part of the body does haptocorin's protective function end?

5. What is the current status of the research into chewing gum as a medium for insolent?

Number 1.

What is one reason why researchers want to find an alternative delivery system for insulin?

Well, while many diabetics inject themselves regularly without any real discomfort, some do experience pain and itching where the needle breaks the skin.

A condition known as lipodystrophy, in which the skin puckers can even develop at the site of multiple injections.

Number 2.

What difficulty has impeded attempts to develop an oral insulin treatment?

Apparently, insulin molecules delivered by mouth will be broken down by the high acidity they encounter in the digestive tract.

Scientists have tried various strategies to overcome this obstacle, and now the team at Syracuse has come up with a potential solution.

Number three.

What breakthrough did the chemists at Syracuse University make?

that's right using their knowledge of the digestive system our scientists realized

that the body has a mechanism to protect valuable molecules as they pass through the digestive system

so the team decided to chemically bind insulin molecules to vitamin b12 a protein called haptocorin,

present in the saliva in the mouth, joins with this particular vitamin to ensure its safe passage through the stomach to the intestine.

Number 4.

In which part of the body does haptocorin's protective function end?

Once the B12 reaches the intestine intact, another chemical takes over from the haptocorin to help it enter the bloodstream.

So by binding insulin to vitamin B12, the chances of it being absorbed into the bloodstream are optimized.

Number 5.

What is the current status of the research into chewing gum as a medium for insulin?

Early tests with rats indicate that the researchers are on the right track.

In these tests, the new treatment was administered in liquid form, but chewing gum would probably be a more efficient medium for human beings.

Through the chewing action, we could ensure sufficient haptochorin is produced.

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이 레슨의 어휘와 말하기 포인트

이 말하기 레슨은 영상 “TOEFL Listening Practice”을(를) 바탕으로 합니다. 가장 자주 반복되는 단어는 다음과 같습니다: insulin, vitamin, digestive, chewing, molecules. 이 영상에는 섀도잉할 문장 67개와 단어 876개가 있습니다. 말하는 구간의 길이는 8:29입니다. 화자는 분당 약 103단어로 천천히 말해서 소리 하나하나를 따라 하기에 여유가 있습니다. 영어에서 가장 많이 쓰이는 3,000단어에 속하는 단어가 74%뿐이라 어휘가 어려운 편입니다.

이 영상의 핵심 어휘

영상에 나오는 익혀 둘 만한 단어 15개를 발음, 뜻과 함께 정리했습니다.

단어	발음	뜻
insulin 명사	/ˈɪnsəlɪn/	인슐린
vitamin 명사	/ˈvɪt.ə.mɪn/	비타민
chew 동사	/tʃuː/	깨물다, 씹다
molecule 명사	/ˈmɑ.lɪ.kjul/	분자
injection 명사	/ɪnˈd͡ʒɛk.ʃən/	주사
scientist 명사	/ˈsaɪəntəst/	과학자
researcher 명사	/ˈɹiˌsɝ.t͡ʃɚ/	연구원, 연구자
oral 형용사	/ˈɔː.ɹəl/	구두의, 입의
chemist 명사	/ˈkɛmɪst/	화학자
efficient 형용사	/ɪˈfɪʃənt/	효율적인
stomach 명사	/ˈstʌmək/	위, 위장
liquid 명사	/ˈlɪk.wɪd/	액체
indicate 동사	/ˈɪndɪˌkeɪt/	가리키다
difficulty 명사	/ˈdɪfɪkəlti/	어려움
mechanism 명사	/ˈmɛk.ə.nɪ.zəm/	기구, 메커니즘

영상에 나오는 구동사

단어	뜻
throw away 동사	버리다

이 영상의 문법

화자가 가장 많이 쓰는 문형을 영상 속 실제 표현과 함께 정리했습니다.

문형	영상 속 표현
수동태 be + 과거분사 — 누가 하는지보다 무슨 일이 일어나는지에 초점	being done · may be impaired · has been hampered
현재완료 have/has + 과거분사 — 과거의 일이 지금도 관련이 있을 때	has been hampered · has been · have tried

주의할 발음

“sh”와 “zh” 소리: injection /ɪnˈd͡ʒɛk.ʃən/, efficient /ɪˈfɪʃənt/, sufficient /səˈfɪʃənt/, artificial /ˌɑː.tɪˈfɪʃ.əl/, absorption /æbˈsɔɹp.ʃn̩/
긴 단어 — 강세 위치에 주의: administer /ədˈmɪn.ɪ.stə/, difficulty /ˈdɪfɪkəlti/, mechanism /ˈmɛk.ə.nɪ.zəm/, stability /stəˈbɪlɪti/, artificial /ˌɑː.tɪˈfɪʃ.əl/

한국어 화자가 어려워하는 소리:

/f/ — ㅍ(/p/)으로 바꾸지 말고 윗니를 아랫입술에 대기: efficient /ɪˈfɪʃənt/, difficulty /ˈdɪfɪkəlti/, sufficient /səˈfɪʃənt/, discomfort /dɪsˈkʌmfɚt/, suffer /ˈsʌfɚ/
/v/ — ㅂ(/b/)과 구별하기: vitamin /ˈvɪt.ə.mɪn/, overcome /ˌəʊ.vəˈkʌm/, protective /pɹəˈtɛk.tɪv/, viable /ˈvaɪəbəl/, disadvantage /ˌdɪsədˈvæntɪd͡ʒ/
/z/ — ㅈ이 아니라 성대를 울리는 /s/: mechanism /ˈmɛk.ə.nɪ.zəm/, diabetes /ˌdaɪəˈbiːtiːz/, glucose /ˈɡluː.kəʊz/, feasible /ˈfiː.zɪ.bəl/, optimize /ˈɑptɪmaɪz/

이 영상으로 연습하는 방법

먼저 말하지 않고 영상을 끝까지 듣고 모르는 단어를 적어 둡니다.
보통 속도로 한 문장씩 섀도잉하고, 화자의 리듬과 맞을 때까지 반복합니다.
자신의 목소리를 녹음해 원본과 비교하고, insulin, vitamin, chew 같은 단어에 특히 주의합니다.

쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법

쉐도잉(Shadowing)은 원래 전문 통역사 훈련을 위해 개발된 언어 학습 기법으로, 다언어 학자인 Dr. Alexander Arguelles에 의해 대중화된 방법입니다. 핵심 원리는 간단하지만 매우 강력합니다: 원어민의 영어를 들으면서 1~2초의 짧은 지연으로 즉시 소리 내어 따라 말하는 것——마치 '그림자(shadow)'처럼 화자를 따라가는 것입니다. 문법 공부나 수동적인 청취와 달리, 쉐도잉은 뇌와 입 근육이 동시에 실시간으로 영어를 처리하고 재현하도록 훈련합니다. 연구에 따르면 이 방법은 발음 정확도, 억양, 리듬, 연음, 청취력, 말하기 유창성을 크게 향상시킵니다. IELTS 스피킹 준비와 자연스러운 영어 소통을 원하는 분들에게 특히 효과적입니다.

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쉐도잉 연습: TOEFL Listening Practice | Lecture | Diabetes - 영상으로 영어 말하기 배우기

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