シャドーイング練習: Dynamic Earth 3 - 動画で英語スピーキングを学ぶ
レッスンを作成中...
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Lesson 6.
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Word List Possible.
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It is possible to score high if you study hard.
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Require.
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Being a firefighter requires training.
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Urban.
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Most people in Korea live in urban areas.
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Industrial Industrial robots work like men.
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Remains The remains of an ancient insect were found.
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Form Clouds are forming in the sky.
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Process Let's learn the process of making bread.
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Replace I replaced the old light bulb with a new one.
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Release She released the pigeons into the sky.
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Conserve We must conserve our forests.
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Coal This area is famous for coal mines.
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Run out My car ran out of gas.
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Pollute Dirty water from the factory is polluting the river.
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Fuel Bicycles don't require any fuel.
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Area Nobody lives in this area.
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City City streets are bright at night.
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Lesson 6 Fossil Fuels What do plants have to do with pollution?
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Aren't plants good for the Earth?
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The plants we see around us help keep the air clean.
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But plants from 300 million years ago are polluting the planet.
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How is this possible?
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Let's learn about how plants from long ago can cause pollution today.
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We require a lot of energy to heat our homes, run our cars, and light our cities.
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Most of this energy comes from fossil fuels like coal, oil, and natural gas.
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Fossil fuels may give us the energy we need, but this also creates a lot of air pollution.
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When fossil fuels are burned, they release harmful gases that mix with our clean air.
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This is a big problem in urban areas where there are many people.
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Huge amounts of fossil fuels are burned in big cities.
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Industrial cities like London, England in the late 1800s had
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so much smoke in the air that it was hard to see the sun.
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Many people got sick and had trouble breathing.
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So what does all this have to do with plants?
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Well, fossil fuels are formed from plants.
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Over time, plant remains change into coal, oil, and natural gas.
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But this process takes millions of years.
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That means fossil fuels can't be replaced quickly or easily.
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Today we are using fossil fuels faster than they are being made.
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One day the earth will run out.
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Let's conserve our fossil fuels to make sure this doesn't happen.
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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B1レベルのスピーキングレッスンは、動画「Dynamic Earth 3」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：fuel, fossil, plant, coal, require。 この動画には、シャドーイング用の文が43文、単語が377語あります。 音声の長さは4:05です。 話す速さはゆっくりで、1分あたり約92語です。一つ一つの音をまねる余裕があります。 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
動画の中で特に難しい単語11語を、発音と意味つきで紹介します。
| 単語 | 発音 | 意味 |
|---|---|---|
| fossil 名詞 | /ˈfɑsl̩/ | 化石 |
| pollution 名詞 | /pəˈluʃən/ | 汚染 |
| lesson 名詞 | /ˈlɛs.ən/ | 授業, 学科 |
| breathe 動詞 | /bɹiːð/ | 呼吸する, 息をする |
| robot 名詞 | /ˈɹoʊ.bɑt/ | ロボット, 人造人間 |
| harmful 形容詞 | /ˈhɑɹmfl̩/ | 有害な |
| insect 名詞 | /ˈɪn.sɛkt/ | 昆虫 |
| bulb 名詞 | /ˈbʌlb/ | 球根 |
| pigeon 名詞 | /ˈpɪ.dʒɪn/ | 鳩 |
| conserve 動詞 | /kənˈsɜː(ɹ)v/ | 節約する |
| firefighter 名詞 | /ˈfaɪ.ɚˌfaɪ.tɚ/ | 消防士, 消防隊員 |
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 | were found · are burned · are formed |
| 現在進行形 am/is/are + -ing — 今まさに、または最近起きていること | are forming · is polluting · are polluting |
| 義務：must / have to / need to 何かが必要であることを伝える | must conserve · have to do |
注意したい発音
話し手はaren't, can't, doesn'tなど、短縮形や弱形を4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。
日本語話者が苦手な音：
- /f/ — 「フ」ではなく、上の歯と下唇で出す: fossil /ˈfɑsl̩/, harmful /ˈhɑɹmfl̩/, firefighter /ˈfaɪ.ɚˌfaɪ.tɚ/
- 子音の連続 — 間に母音を入れない: breathe /bɹiːð/, harmful /ˈhɑɹmfl̩/, insect /ˈɪn.sɛkt/, bulb /ˈbʌlb/, conserve /kənˈsɜː(ɹ)v/
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。
- 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。
- 自分の声を録音して元の音声と比べます。fossil, pollution, lesson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。