シャドーイング練習: Unit 1: Longevity Leaders Pathways 2 - 動画で英語スピーキングを学ぶ
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1
The elderly are found across all countries and cultures, and their numbers are increasing as people live longer.
2
There are over 7 billion people in the world today.
3
And this number could reach 9 billion by the year 2050.
4
There will be more elderly in the world than ever before.
5
We will see aging populations all over the world in the 21st century.
6
In places like the United States, Europe, even China, we see populations that are getting much older, much faster.
7
But how old is old?
8
In the natural world, there are animals that live for centuries.
9
Some researchers believe that some whales can live for 200 years or more.
10
Giant tortoises are known to live for 150 years or more.
11
Elephants are known to live for up to 70 years.
12
Humans live longer than most animals.
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They can live to a maximum of about 120 years.
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Of course, most humans don't live that long.
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But there are places in the world where people live longer and healthier lives.
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This is Sardinia, an island off the coast of Italy.
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It has a very high number of centenarians.
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These are people who live to see their 100th birthday.
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One example is Antonio Bruno, who was still healthy and happy at 103 years old.
20
National Geographic magazine writer Dan Buettner visited some of the world's longest living communities to discover the secrets of longevity.
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He went to Okinawa, where people live longer and healthier lives than anywhere else in the world.
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They live about 22% longer than Americans.
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They have about four times as many hundred-year-olds than we do.
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Buettner found that centenarians' lifestyles were similar, even if their cultures were different.
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They tend to stay active and eat locally grown food.
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They have hobbies, like this Okinawan woman who works in her garden every day.
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Centenarians also have access to good medical care.
28
And they have the support of their friends and family.
29
These centenarians seem to be very healthy.
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But how much longer will such healthy lifestyles last?
31
Younger people are eating more processed foods and may be less active than their parents and grandparents.
32
With increasing globalization, these traditional lifestyles are fast disappearing.
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People today are turning to medical science to help live longer lives.
34
Some scientists have started to treat aging as a disease instead of a natural part of human life.
35
For now, though, there are few centenarians, like this 102-year-old, in the world.
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However, if we follow their example, eat healthy, stay active, and keep our families close,
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then we may see more centenarians in our future.
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And our future may be very long indeed.
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このクリップのスピーキング目標
このビデオは、「長寿」に関するトピックを自然に話すための流暢さを養うのに最適です。世界の人口動態や長寿地域の特徴を説明する際に、複数の情報をつなげて話す能力を鍛えます。shadowing practice（シャドーイング練習）を通して、リズミカルな発話と情報の整理力を向上させることが目標です。
フレーズバンク
- 「~の数が増えている」: The numbers are increasing as~
- 「~よりも長く生きる」: live longer than~
- 「~の秘密を発見する」: discover the secrets of~
- 「伝統的なライフスタイルが消えつつある」: traditional lifestyles are fast disappearing
- 「~の例に従う」: follow their example
これらのフレーズは、議論や説明をする際に頻繁に使える実用的な表現です。shadowing siteを使って繰り返し練習すると、自然に口から出るようになります。
弱点を直そう
このビデオの課題は、「centenarians」「processed foods」などの長い単語の発音と、文の途中で息を継ぐリズムです。特に「They tend to stay active and eat locally grown food」のような長い文は、適切な場所でポーズを入れることが重要です。shadow speech（シャドースピーチ）の練習で、ネイティブの発音とリズムを真似ることで、英語の発音を良くすることができます。shadowspeaksのような方法を使って、繰り返し聞きながら即座に追って話すトレーニングを行いましょう。
また、「however」「but」などの接続詞の発音は弱くなりがちですが、これらをはっきりと発することで、文の流れがより明確になります。shadow speakの練習を続けることで、これらのポイントが自然に身につきます。
この動画の文法
話し手がよく使っている文型を、動画の実際の表現とともに紹介します。
| 文型 | 動画での表現 |
|---|---|
| 受動態 be + 過去分詞 — 誰がするかより、何が起きるかに焦点を当てる | are found · are known |
| 関係詞節 who / which + 節 — 人や物について情報を加える | people who live · woman who works |
| 「might / may」による可能性 might/may + 動詞 — 起こりうるが確実ではないこと | may be · may see |
| 比較級 -er than / more … than — 二つのものを比べる | longer than · less active than |
シャドーイングとは？英語上達に効果的な理由
シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。