シャドーイング練習: What science can’t answer, according to physicist Jim Al-Khalili | Big Think - 動画で英語スピーキングを学ぶ
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A lot of people think that somehow gaining knowledge about the world and how the world works detracts from its mystery, detracts from its beauty.
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Ignorance is bliss.
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Quite the opposite.
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The more we understand, the more we can appreciate, the more we can find wonder.
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Whereas remaining in ignorance, that's just darkness, that's just confusion.
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Knowledge, understanding, enlightenment are always better than ignorance.
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My name's Jim Al -Khalili, I'm a professor of physics at the University of Surrey.
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My most recent book is called The World According to Physics.
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I tend to think of our knowledge of the universe and of reality like an island.
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The interior of the island is the well -established science that we know very well.
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The shoreline around the island, that's the limits of our understanding.
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And beyond it is the ocean of the unknown.
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Of course, we don't know whether that ocean goes on forever.
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As we gain in our knowledge and our understanding, the island is growing in size, so we're reaching out.
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We can take a paddle out into the water to see some of the mysteries
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that we're trying to tackle now that we still don't understand.
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But we don't know how much further our understanding needs to go.
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There are certain questions that we have always asked about ourselves, about the world, that transcend science.
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They're certainly the big questions in science today, but they've been questions we've been asking for millennia.
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Who am I?
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Where is my place in the universe?
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What is the nature of self?
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Where did we come from?
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There may be questions that we'll never find answers to, but that is the nature of humanity,
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the nature of humankind, that we want the answers to some of these deep questions.
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There's this notion that somehow scientists have this sterile,
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clinical, logical, rational view of the world that leaves no room for mystery and awe and magic and wonder.
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On the contrary, Everything I learn about how the world is tells me it's full of magic and wonder.
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The idea that Newton discovered
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that the invisible force pulling the apple down to the ground
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is exactly the same force keeping the moon in orbit around the Earth is utterly profound.
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It's utterly awe -inspiring.
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I remember as a student sitting in a lecture being told about the equations of electromagnetism.
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The professor wrote down equations on the board he went through lines of algebra
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and arrived at a new equation and in that equation was a number and he said, and that is the speed of light.
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And that tells you that light is an electromagnetic wave.
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I remember sitting there and, you know, even as I'm telling you this now, I have that same shiver going down my spine.
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There's wonder wherever we look.
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It's the opposite of sterile, rational, cold, analytical thinking.
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It's often said that the more we know about the workings of the universe, the more we don't know.
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So our growing understanding really tells us about our growing ignorance.
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That is not to say that we haven't come a long way.
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We do know a lot about the building blocks of matter, about the nature of space and time.
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We now know how many elements there are
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that make up the world we have the periodic table of
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elements we now know why those elements are classified the way they are
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because of the way electrons arrange themselves around atoms the rest
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you could argue is down in the fine nitty -gritty detail and it may well be that
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some of the ideas we have today turn out to be
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wrong 10 20 years from now i probably wouldn't be saying something too different to what i'm saying today
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but 100 years from now
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and certainly a thousand years from now I may look back on the gym of the early 21st century
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and think that I was just as naive as as the medieval scholars who thought the sun orbited the earth.
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I think a lot of scientists are realizing
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that having this silo mentality of having expertise in one field to address some of the big questions simply isn't enough.
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We're getting ever more interdisciplinary.
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I'm a physicist, so I would argue that physics is of course the best way of learning about the world.
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It's an arrogant view and I think it's not exactly true.
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It's not going to address questions like complex human behavior in society or psychology or the workings of the human brain,
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but it addresses these fundamental questions.
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What everything is made of, how everything works.
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We don't know whether we will ever, one day, know everything about the nature of reality.
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And in a way, that's nice, that's exciting.
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It's frustrating, yet beautiful, that we may never have all the answers.
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There's this wonderful quote by Douglas Adams, I take the awe of understanding over the awe of ignorance any day.
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Thank you.
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このレッスンの語彙とスピーキングのポイント
この動画には、シャドーイング用の文が66文、単語が828語あります。 音声の長さは5:24です。 話す速さは1分あたり約154語で、日常会話に近い自然なペースです。 単語の85%は英語の頻出3,000語に含まれます。残りは練習の前に確認しておきましょう。
この動画の重要語彙
動画に出てくる覚えておきたい単語15語を、発音と意味つきで紹介します。
| 単語 | 発音 | 意味 |
|---|---|---|
| ignorance 名詞 | /ˈɪɡ.nɚ.əns/ | 無知 |
| equation 名詞 | /ɪˈkweɪ.ʒən/ | 方程式 |
| element 名詞 | /ˈɛləmənt/ | 要素, エレメント |
| mystery 名詞 | /ˈmɪs.t(ə.)ɹi/ | ミステリー, 不思議 |
| physics 名詞 | /ˈfɪz.ɪks/ | 物理学 |
| argue 動詞 | /ˈɑɹ.ɡju/ | 議論する, 論ずる |
| scientist 名詞 | /ˈsaɪəntəst/ | 科学者 |
| rational 形容詞 | /ˈɹæʃ(ə)nəl/ | 合理的 |
| orbit 名詞 | /ˈɔɹ.bɪt/ | 軌道 |
| discover 動詞 | /dɪˈskʌvə/ | 発見する, 見つける |
| arrive 動詞 | /əˈɹaɪv/ | 着く, 到着する |
| fundamental 形容詞 | /ˌfʌn.dəˈmɛn.təl/ | 基本的な |
| humanity 名詞 | /hjuˈmænɪti/ | 人類 |
| psychology 名詞 | /saɪˈkɑ.lə.d͡ʒi/ | 心理学, サイコロジー |
| darkness 名詞 | /ˈdɑɹk.nɪs/ | 闇, 暗黒 |
動画に出てくる句動詞
| 単語 | 意味 |
|---|---|
| go down 動詞 | 降りる, 降下する |
| write down 動詞 | 書き留める, 記す |
注意したい発音
話し手はdon't, I'm, we'reなど、短縮形や弱形を19回使っています。聞こえたとおりの短い形で発音しましょう。
- 「sh」と「zh」の音: equation /ɪˈkweɪ.ʒən/, rational /ˈɹæʃ(ə)nəl/, establish /ɪˈstæb.lɪʃ/, confusion /kənˈfjuːʒən/, notion /ˈnoʊʃən/
- 長い単語（アクセントの位置に注意）: fundamental /ˌfʌn.dəˈmɛn.təl/, humanity /hjuˈmænɪti/, psychology /saɪˈkɑ.lə.d͡ʒi/, invisible /ɪnˈvɪzəb(ə)l/, mentality /mɛnˈtæləti/
この動画での練習方法
- まず声を出さずに動画を最後まで聞き、知らない単語をメモします。
- まず0.75倍速で一文ずつシャドーイングし、慣れてきたら通常の速度に戻します。
- 自分の声を録音して元の音声と比べます。ignorance, equation, elementなどの単語に特に注意しましょう。
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 | is called · being told · are classified |
| 現在完了形 have/has + 過去分詞 — 過去の出来事が今も関係している | have always asked · they've been · haven't come |
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。