シャドーイング練習: Complete IELTS Band 6.5 - 7.5 - UNIT 8 - 動画で英語スピーキングを学ぶ

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Complete IELTS, Bands 6.5 to 7.5, by Guy Brookhart and Vanessa Jakeman.
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Published by Cambridge University Press, 2013.
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This recording is copyright.
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Unit 8.
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Listening.
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Exercise 4.
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So, we're talking about astronomy today, the scientific study of outer space, And I'm going to start by saying a bit about telescopes
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and then move on to look at some key features of amateur astronomy.
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Now, one of the most powerful telescopes in the world today is the Hubble Space Telescope, named after Edwin Hubble.
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And it's become rather symbolic in many ways.
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And that's quite appropriate, really, because, you know, in the early days, it was instruments, and particularly telescopes,
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that kicked off what was known as the scientific revolution.
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We tend to think of science in terms of great minds conjuring up big ideas.
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We think of books.
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But in the field of science, instruments have always been more important.
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And of course, it was the Italian astronomer Galileo who started us stargazing.
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He didn't come up with the world's first telescope, but he was the first scientist to add a lens to his telescope
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that magnified things in the sky enough to be able to study them.
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Until this time, scientists had been looking at objects on the Earth, but suddenly, the skies held a much greater fascination for people.
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He said it best when he declared that his telescopes revealed the invisible.
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That was in the first part of the 17th century.
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Photography took longer to come about, so only artists were able to capture the celestial images seen in those days.
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We had to wait a further nearly 200 years until 1839 for John William Draper,
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a chemistry professor, to produce the first recorded moon photograph, which looks like this.
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Black and white, of course.
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Since that time, humans have built bigger, better, more powerful telescopes, and what can be seen through these in the present day is,
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well, truly amazing.
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Millions of pictures have appeared in magazines, books, on TV, and on the internet.
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Most professional astronomers don't care if the end result is beautiful.
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What they really want is research data.
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That's their main objective.
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But when the device capturing a distant star or galaxy is the Hubble Space Telescope, or a large telescope housed in a mountaintop observatory,
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the result usually appears spectacular as well.
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Now, amateur astronomers often have a different objective.
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Many want nothing more than to capture a scene that will dazzle viewers.
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They aim to photograph things never seen before, like this beautiful solar eclipse that was captured in Greece,
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or this incredible image of the moon with a plane crossing it.
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But needless to say, they've also made a great contribution to furthering astronomical research,
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and they do get their photographs and findings published in astronomy journals.
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So let's have a look at what amateurs can contribute.
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All astronomers are trying to find out or understand the origins of the solar system,
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How stars formed in the first place and how the universe itself evolved in such a way.
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Amateur astronomers have a great deal of specialized knowledge that is highly valued in this regard.
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For example, they're very familiar with the sky and they know right away
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when something new appears or when the brightness of an object alters, increases or decreases.
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They know how to tell the difference between, say, planets and comets or stars or even artificial satellites.
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Many ordinary people wouldn't have any of these skills.
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And another vital skill is that they know how to make accurate measurements.
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Knowing the distance of one object from another or from Earth,
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for example, is essential information if you want to make a valuable contribution to astrophysics.
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So that's what they know.
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When you look at what they can do to help the professionals, well, in general, there are two main types of observation that are important.
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Firstly, they are always watching space.
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They keep a constant eye on the skies for any new discovery, such as an exploding star that has reached the end of its life and lets off a tremendous amount of energy,
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or a comet, a very small object made of dust and ice orbiting the sun.
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Secondly, they constantly observe the evolution of stars, planets, and other celestial features.
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And the information they gather is essential to our understanding of these objects.
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It tells us, for example, how stars live and die, and how they interact with neighboring stars.
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In both types of observation, professionals can see advantages in the enormous patience and passion that amateurs have for their hobby.
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This doesn't just mean spending a whole night looking at the stars.
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We're talking about observations that involve spending years of evenings on the roof or in the back garden.
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It's not possible for professional astronomers to undertake these long-term studies or to spend huge amounts of time observing a single object.
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But amateurs can, and they do, and that's why they are so important to the field of astronomy.
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Thank you.
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Thank you.
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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B2レベルのスピーキングレッスンは、動画「Complete IELTS Band 6.5 - 7.5 - UNIT 8」を教材にしています。 繰り返し出てくる語は次のとおりです:telescope, star, astronomer, amateur, object。 この動画には、シャドーイング用の文が66文、単語が838語あります。 音声の長さは6:58です。 話す速さは1分あたり約120語で安定しており、シャドーイングしやすいペースです。 英語の頻出3,000語に含まれる単語は81%だけなので、語彙は難しめです。

この動画の重要語彙

動画の中で特に難しい単語15語を、発音と意味つきで紹介します。

単語発音意味
telescope 名詞/ˈtɛl.əˌskoʊp/望遠鏡, テレスコープ
astronomer 名詞/əˈstɹɒn.ə.mə/天文学者
astronomy 名詞/əˈstɹɑ.nə.mi/天文学
observation 名詞/ˌɑbzɚˈveɪʃn̩/観察
celestial 形容詞/səˈlɛs.t͡ʃ(ə)l/空の, 天空の
comet 名詞/ˈkɒmɪt/彗星, 箒星
observe 動詞/əbˈzɜːv/守る, 従う
astrophysics 名詞/ˌæs.tɹoʊˈfɪz.ɪks/天体物理学
dazzle 動詞/ˈdæzəl/目を眩ませる, 眩惑させる
magnify 動詞/ˈmæɡnɪfaɪ/拡大する, 大きくする
brightness 名詞/ˈbɹaɪtnəs/明るさ
needless 形容詞/ˈniːdləs/不必要な
observatory 名詞/əbˈzɜːvət(ə)ɹi/天文台
undertake 動詞/ˌʌndəˈteɪk/取り掛かる
firstly 副詞/ˈfɜɹstli/先ず, 第一に

動画に出てくる句動詞

単語意味
find out 動詞見出す, 調べる
see through 動詞見通す, 透視する

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
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 been · have built · have appeared
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was known · can be seen · was captured

注意したい発音

話し手はwe're, didn't, doesn'tなど、短縮形や弱形を9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: observation /ˌɑbzɚˈveɪʃn̩/, fascination /fæsɪˈneɪʃən/, specialize /ˈspɛʃəˌlaɪz/, measurement /ˈmɛʒ.ə.mənt/, patience /ˈpeɪ̯.ʃəns/
  • 長い単語(アクセントの位置に注意): astronomer /əˈstɹɒn.ə.mə/, astronomy /əˈstɹɑ.nə.mi/, astronomical /ˌæs.tɹəˈnɑm.ɪ.kəl/, astrophysics /ˌæs.tɹoʊˈfɪz.ɪks/, fascination /fæsɪˈneɪʃən/

日本語話者が苦手な音:

  • /r/ と /l/ の区別 — /l/ は舌先を歯茎につけ、/r/ はどこにもつけない: astronomical /ˌæs.tɹəˈnɑm.ɪ.kəl/, firstly /ˈfɜɹstli/, alter /ˈɔl.təɹ/
  • /v/ — /b/ にならないように、上の歯を下唇に当てる: observation /ˌɑbzɚˈveɪʃn̩/, observe /əbˈzɜːv/, observatory /əbˈzɜːvət(ə)ɹi/, viewer /ˈvju.ɚ/, evolve /ɪˈvɑlv/
  • /f/ — 「フ」ではなく、上の歯と下唇で出す: astrophysics /ˌæs.tɹoʊˈfɪz.ɪks/, fascination /fæsɪˈneɪʃən/, magnify /ˈmæɡnɪfaɪ/, firstly /ˈfɜɹstli/

この動画での練習方法

  1. 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。
  2. 通常の速度で一文ずつシャドーイングし、話し手のリズムに合うまで繰り返します。
  3. 自分の声を録音して元の音声と比べます。telescope, astronomer, astronomyなどの単語に特に注意しましょう。

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。

シャドーイングのやり方: ステップ別の完全ガイドを読む →