シャドーイング練習: LEGO Bricks In The Making - 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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The The
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Lego brick is an old invention by now.
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The first plastic brick was molded in 1949.
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Since then, thousands of new and unique Lego elements have been developed.
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Pick a Lego brick from a box today and it will fit with any brick that was molded decades ago.
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This is the result of great precision and commitment for more than 50 years.
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The LEGO Group has factories across the world.
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But how do you produce hundreds of different types of bricks with such precision
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and in a wealth of colors every single day?
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And how do the Briggs find their way to the right boxes?
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This is the story about how small pieces of plastic granulate are transformed into creative playsets.
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A truck arrives with raw material at the factory.
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A truck like this holds up to 28 tons of plastic granulate.
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The granulate is blasted from the truck into tall silos where it is stored.
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Different types of plastic granulate are used depending on the function of each Lego element.
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The granulate is fed down a labyrinth of long pipes into the factory.
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The pipes lead to the heart of the Lego factory, the molding area.
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High-tech injection molding machines produce Lego elements 24 hours a day, seven days a week.
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First the raw granulate is mixed with the dye.
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Bricks are currently produced in over 50 different colors.
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The colored granulate is then led into the molding machine.
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Within no time the granulate is heated to between 230 and 310 degrees Celsius.
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The plastic melts into a texture much like toothpaste.
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With great force the paste is then fed into the mold.
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Great forces must be controlled during this process.
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The pressure can reach 29,000 psi.
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In comparison, a car's tire pressure is 29 to 43 psi.
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In the mould, the material is cooled in a matter of seconds, and out comes a new-born Lego brick as we know it.
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Plastic waste from the molding machines is ground and recycled straight away.
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Each mold can make one shape of Lego element at a time.
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To make a different shape of element, the mold must therefore be replaced.
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The unique molds are part of the secret behind the success of the Lego Group behind the success of the LEGO Group.
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In each factory there's a department dedicated to regular cleaning and maintenance of the moulds.
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The moulds are made with great accuracy, ensuring that all LEGO bricks always fit together perfectly.
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The moulds are therefore handled with greatest care.
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Each mould has a specific set of instructions, which among other things cover pressure, time and temperature.
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Temperature tests and moulding tests are carried out to ensure the machine is programmed to perfection at each replacement of the moulds.
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Samples are sent to the quality department, which measures such things as the durability and precision of the element.
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It is ensured that the LEGO element is perfect.
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AGV stands for Automatic Guided Vehicle.
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Robots like these were introduced into the production as early as 1987.
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When the box by the molding machine is full, these intelligent helpers replace it with a new empty box.
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The AGV then takes the full boxes to the conveyor system.
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A unique barcode identifies the contents of each box.
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The boxes are shaken to even out the content, ensuring it takes up as little space as possible.
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Now the lids can be closed.
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This is where the journey of the boxes ends for now.
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In High Bay warehouses up to 37 meters high, the boxes are ready to be collected.
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When a specific LEGO element is required, the box is collected.
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All registration and localization is entirely automated.
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The boxes are then transported onwards from here.
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Many elements are taken directly to the packaging lines, But not these little guys.
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The minifigures must first get their own unique expression.
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A machine can produce more than 7,000 torsos per hour.
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Over half a billion minifigures are produced every year, making them one of the world's largest populations.
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In the first part of the packaging process, counting machines ensure that elements are put in small production boxes.
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One by one they're weighed and measured to secure the right numbers in each box.
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The bricks to be included in just one bag in a complete Lego set are placed in rows of counting machines.
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The content of each production box is then automatically put in a plastic bag.
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The bags are dropped into open Lego boxes along with the building instructions and large special elements.
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The most efficient packaging lines pack over 50,000 boxes every 24 hours.
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Now the boxes are closed and sealed.
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Here we have final LEGO boxes as we know them.
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The LEGO boxes are packed for shipping and stacked onto pallets.
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They are now ready for a long journey.
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First stop of the journey is at one of the large distribution centres.
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From here they are shipped to stores all over the world.
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It is now up to children and adults to explore the fun and creative building experiences of the LEGO set.
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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B1レベルのスピーキングレッスンは、動画「LEGO Bricks In The Making」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：Lego, boxes, element, brick, granulate。 この動画には、シャドーイング用の文が69文、単語が840語あります。 音声の長さは8:31です。 話す速さはゆっくりで、1分あたり約99語です。一つ一つの音をまねる余裕があります。 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 |
|---|---|---|
| mold 名詞 | /moʊld/ | 黴 |
| brick 名詞 | /ˈbɹɪk/ | 煉瓦 |
| precision 名詞 | /pɹɪˈsɪʒ.ən/ | 精度, 正確性 |
| instruction 名詞 | /ɪnˈstɹʌkʃən/ | 指示 |
| pipe 名詞 | /ˈpaɪp/ | 笛 |
| automate 動詞 | /ˈɔ.təˌmeɪt/ | 自動化する |
| barcode 名詞 | /ˈbɑɹ.koʊd/ | バーコード |
| conveyor 名詞 | /kənˈveɪɚ/ | コンベア |
| durability 名詞 | /dəɹəˈbɪləti/ | 耐久性 |
| helper 名詞 | /ˈhɛlpɚ/ | 助手, 手伝い |
| labyrinth 名詞 | /ˈlæb.ə.ɹɪnθ/ | 迷路, 迷宮 |
| localization 名詞 | /ˌloʊkəlɪˈzeɪʃən/ | 局在化, 局所化 |
| onward 副詞 | /ˈɒnwəd/ | 前へ |
| pallet 名詞 | /ˈpælɪt/ | パレット |
| recycle 動詞 | /ɹəˈsaɪkəl/ | 再生する, リサイクルする |
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 |
|---|---|
| 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 molded · have been developed · are transformed |
| 義務：must / have to / need to 何かが必要であることを伝える | must therefore · must first |
注意したい発音
- 「th」の音: labyrinth /ˈlæb.ə.ɹɪnθ/, toothpaste /ˈtuθpeɪst/
- 「sh」と「zh」の音: precision /pɹɪˈsɪʒ.ən/, instruction /ɪnˈstɹʌkʃən/, localization /ˌloʊkəlɪˈzeɪʃən/, perfection /pɚˈfɛk.ʃən/, injection /ɪnˈd͡ʒɛk.ʃən/
- 長い単語（アクセントの位置に注意）: durability /dəɹəˈbɪləti/, localization /ˌloʊkəlɪˈzeɪʃən/, accuracy /ˈæk.jɚ.ə.si/, intelligent /ɪnˈtɛlɪd͡ʒənt/, registration /ˌɹɛd͡ʒ.ɪˈstɹeɪ.ʃən/
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: granulate /ˈɡɹæn.jul.eɪt/, durability /dəɹəˈbɪləti/, labyrinth /ˈlæb.ə.ɹɪnθ/, recycle /ɹəˈsaɪkəl/, explore /ɪkˈsploɹ/
- /v/ — /b/ にならないように、上の歯を下唇に当てる: conveyor /kənˈveɪɚ/, invention /ɪnˈvɛnʃən/
- /f/ — 「フ」ではなく、上の歯と下唇で出す: perfection /pɚˈfɛk.ʃən/, transform /tɹænsˈfɔɹm/
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。mold, brick, precision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。