シャドーイング練習: Unit 20 Weird Inventions - 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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Unit 20 Weird Inventions Have you ever thought about inventing something?
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Did you worry that your idea was too strange or unrealistic?
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Well, maybe you should think again.
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Strange or unrealistic ideas never stopped Arthur Pedrick.
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Pedrick was a British inventor.
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Originally a government clerk, he spent his retirement in the 1960s and 1970s developing new and unusual ideas.
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Some of these ideas contradicted basic physics, but that didn't stop Pedrick.
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One of his strangest ideas was a plan to connect large tubes from the continent of Australia all the way to Antarctica, a distance of 10,000 kilometers.
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These tubes would carry giant ice balls from Antarctica to Australia.
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This ice would then melt in the Australian desert, and the water would be used in irrigation.
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Another of Pedrick's inventions was a radio-controlled golf ball.
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A golfer could change the speed and direction of the golf ball by small flaps, controlled by computer chips.
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Using radio waves, the golfer could also find lost golf balls.
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Arthur Pedrick had thousands of bizarre ideas for inventions, most of which were never built.
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Though many of Pedrick's inventions were never developed, a lot of other strange ideas were.
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In 1989, a company designed and sold a theft prevention device for expensive cars.
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As part of this device, several tubes were attached to the bottom of a car.
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If someone tried to steal the car, super hot flames would come out of the tubes and burn the car thief.
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Some people who were not thieves, however, were seriously injured.
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They accidentally set off the device by walking past the car.
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Other strange inventions include underwear for dogs and pens with drinkable ink.
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The underwear keeps dogs from making a mess when they go out for a walk.
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Also, if you are ever thirsty during a test, a pen with drinkable ink would be very handy.
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If you have an idea that seems a little out in left field, don't let that stop you from trying it.
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You'll be in good company.
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Listening.
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I didn't know that.
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Listen to the dialogue and complete each sentence.
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Have you ever heard of Thomas Edison?
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Of course I have.
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Didn't he invent the light bulb?
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Actually, he didn't invent it.
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He just made it practical to use.
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Really?
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Yes, but he did invent many other things.
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He invented the first movie camera and record player, for example.
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So without him, we wouldn't have movies or recorded music.
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That's right, or electric companies or batteries.
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Wow!
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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「Unit 20 Weird Inventions」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：inventions, Pedrick, tubes, strange, ball。 この動画には、シャドーイング用の文が39文、単語が415語あります。 音声の長さは2:51です。 話す速さは1分あたり約146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78%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
invent 動詞/ɪnˈvɛnt/発明する
invention 名詞/ɪnˈvɛnʃən/発明
golfer 名詞/ˈɡɒlfə(ɹ)/ゴルファー
unrealistic 形容詞非現実的
thief 名詞/ˈθiːf/泥棒, 盗賊
underwear 名詞/ˈʌndɚˌwɛɹ/下着, 肌着
contradict 動詞/ˌkɑn.tɹəˈdɪkt/言い返す, 反論する
injure 動詞/ˈɪn.d͡ʒɚ/痛める, 傷付ける
inventor 名詞/ɪnˈvɛntɚ/発明者
bulb 名詞/ˈbʌlb/球根
irrigation 名詞/ˌɪɹəˈɡeɪʃən/灌漑
thirsty 形容詞/ˈθɝs.ti/喉が渇いた
attach 動詞/əˈtæt͡ʃ/付ける, 添付する
melt 動詞/mɛlt/溶ける, 溶かす
clerk 名詞/klɝk/事務員, 店員

繰り返し練習したい文

動画に出てくる短く完結した文です。日常会話でそのまま使えます。

  • Did you worry that your idea was too strange or unrealistic?
  • You'll be in good company.
  • Didn't he invent the light bulb?

注意したい発音

話し手はdidn't, don't, wouldn'tなど、短縮形や弱形を7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。

  • 「th」の音: thief /ˈθiːf/, thirsty /ˈθɝs.ti/, theft /θɛft/
  • 「sh」と「zh」の音: invention /ɪnˈvɛnʃən/, irrigation /ˌɪɹəˈɡeɪʃən/, prevention /pɹɪˈvɛnʃən/
  • 長い単語（アクセントの位置に注意）: irrigation /ˌɪɹəˈɡeɪʃən/, accidentally /ˌæk.sɪˈdɛnt(ə)li/

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: drinkable /ˈdɹɪŋk.ə.bəl/, golfer /ˈɡɒlfə(ɹ)/
  • /v/ — /b/ にならないように、上の歯を下唇に当てる: invent /ɪnˈvɛnt/, invention /ɪnˈvɛnʃən/, inventor /ɪnˈvɛntɚ/, prevention /pɹɪˈvɛnʃən/
  • /f/ — 「フ」ではなく、上の歯と下唇で出す: golfer /ˈɡɒlfə(ɹ)/, thief /ˈθiːf/, flame /fleɪm/, theft /θɛft/

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。invent, invention, golfer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 →