シャドーイング練習: Dozens of Nukes Are Missing. Why? HOW? - 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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Around 50 nukes have been lost across the world.
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How did that happen?
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During the Cold War, the US and the Soviets had ready-to-fire nuclear weapons loaded onto submarines and airplanes.
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At one point, the US had 12 in the air at once.
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And the more nukes on the move, the higher the chances of losing one.
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Inevitably, over the years, nukes went missing mostly due to technical failures and careless mistakes.
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And this could be just the tip of the iceberg.
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Luckily, some have been found.
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However, recovering them is a huge effort as thousands of square kilometers have to be searched.
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These nuke hunts can go on for years and cost more than a moon mission, and there's no guarantee of success.
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Today, the US alone is missing six nukes.
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The detonation of just one could have catastrophic consequences.
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There are multiple safety mechanisms designed to prevent this, but the best way to stop any of this from happening is to reduce the number of nukes altogether.
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With a new nuclear arms race on the cards, these incidents would only get more likely.
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We'd rather not make another video to tell you that
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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15文、単語が195語あります。 音声の長さは1:00です。 話す速さは速く、1分あたり約196語です。音のつながりや弱く発音される音が多くなります。 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

動画に出てくるやや難しい単語10語を、発音と意味つきで紹介します。

  • guarantee /ˌɡæɹ.ənˈtiː/ (名詞) — 保証. Anything that assures a certain outcome.
  • mechanism /ˈmɛk.ə.nɪ.zəm/ (名詞) — 仕組み, 機構. Any mechanical means for the conversion or control of motion, or the transmission or control of power.
  • consequence /ˈkɑn.sɪ.kwəns/ (名詞) — 結果. An effect; something that follows a cause as a result.
  • airplane /ˈɛɹˌpleɪ̯n/ (名詞) — 飛行機, 航空機. A powered heavier-than-air aircraft with fixed wings: a fixed-wing aircraft with at least one engine or electric motor.
  • luckily /ˈlʌk.ɪ.li/ (副詞) — 幸いにも, 運良く. In a lucky manner; by good fortune; fortunately.
  • inevitably /ɪˈnɛvɪtəbli/ (副詞) — 起こるべくして, 当然. In a manner that is impossible to avoid or prevent.
  • submarine /sʌb.məˈɹiːn/ (名詞) — 潜水艦, サブマリン. A boat that can go underwater.
  • careless /kɛɹ.ləs/ (形容詞) — 不注意, 軽率. Not concerned or worried (about).
  • detonation /dɛtəˈneɪʃən/ (名詞) — 爆轟. An explosion or sudden report made by the near-instantaneous decomposition or combustion of unstable substances. Specifically, combustion that spreads…
  • iceberg /ˈaɪsbɝɡ/ (名詞) — 氷山. A huge mass of ocean-floating ice which has broken off a glacier or ice shelf

注意したい発音

  • 長い単語（アクセントの位置に注意）: mechanism /ˈmɛk.ə.nɪ.zəm/, altogether /ɔl.tuˈɡɛð.ɚ/, inevitably /ɪˈnɛvɪtəbli/, catastrophic /ˌkætəˈstɹɑfɪk/, detonation /dɛtəˈneɪʃən/

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. 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。
  3. 自分の声を録音して元の音声と比べます。guarantee, mechanism, consequence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have been lost · have been found · be searched
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 been lost · have been found

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 →