シャドーイング練習: Cambridge 15 Test 3 Section 4 Listening - 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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Part 4.
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You will hear part of a lecture on the early history of keeping clean.
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First, you have some time to look at questions 31 to 40.
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Thank you.
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Now listen carefully and answer questions 31 to 40.
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Nowadays we use different products for personal cleanliness, laundry, dishwashing and household cleaning,
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but this is very much a 20th century development.
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The origins of cleanliness date back to prehistoric times.
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Since water is essential for life, the earliest people lived near water and knew something about its cleansing properties,
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at least that it rinsed mud off their hands.
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During the excavation of ancient Babylon,
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evidence was found that soap-making was known as early as 2800 BC.
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Archaeologists discovered cylinders made of clay, with inscriptions on them saying that fats were boiled with ashes.
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This is a method of making soap, though there's no reference to the purpose of this material.
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The early Greeks bathed for aesthetic reasons and apparently didn't use soap.
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Instead, they cleaned their bodies with blocks of sand, pumice and ashes, then anointed themselves with oil,
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and scraped off the oil and dirt with a metal instrument known as a strigil.
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They also used oil mixed with ashes.
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Clothes were washed without soap in streams.
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The ancient Germans
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and Gauls are also credited with discovering how to make a substance called soap made of melted animal fat and ashes.
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They used this mixture to tint their hair red.
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Soap got its name, according to an ancient Roman legend, from Mount Sappo, where animals were sacrificed,
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leaving deposits of animal fat.
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Rain washed these deposits, along with wood ashes, down into the clay soil along the River Tiber.
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Women found that this mixture greatly reduced the effort required to wash their clothes.
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As Roman civilization advanced, so did bathing.
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The first of the famous Roman baths, supplied with water from their aqueducts, was built around 312 BC.
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The baths were luxurious, and bathing became very popular.
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And by the second century AD, the Greek physician Galen recommended soap for both medicinal and cleansing purposes.
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After the fall of Rome in 467 AD and the resulting decline in bathing habits,
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much of Europe felt the impact of filth on public health.
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This lack of personal cleanliness and related unsanitary living conditions were major factors in the outbreaks of disease in the Middle Ages,
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and especially the Black Death of the 14th century.
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Nevertheless, soap-making became an established craft in Europe, and associations of soap-makers guarded their trade secrets closely.
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Vegetable and animal oils were used with ashes of plants, along with perfume, apparently for the first time.
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Gradually, more varieties of soap became available for shaving and shampooing, as well as bathing and laundering.
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A major step toward large-scale commercial soap-making occurred in 1791, when a French chemist, Nicolas Leblanc,
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patented a process for turning salt into soda ash, or sodium carbonate.
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Soda ash is the alkali obtained from ashes that combines with fat to form soap.
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The Leblanc process yielded quantities of good quality, inexpensive soda ash.
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Modern soap-making was born some twenty years later, in the early nineteenth century, with a discovery by Michel-Eugène Chevrol,
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another French chemist, of the chemical nature and relationship of fats, glycerine, and fatty acids.
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His studies established the basis for both fat and soap chemistry, and soap making became a science.
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Further developments during the 19th century made it easier and cheaper to manufacture soap.
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Until the 19th century, soap was regarded as a luxury item, and was heavily taxed in several countries.
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As it became more readily available, it became an everyday necessity, a development that was reinforced when the high tax was removed.
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Soap was then something ordinary people could afford, and cleanliness standards improved.
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With this widespread use came the development of milder soaps for bathing
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and soaps for use in the washing machines that were available to consumers by the turn of the 20th century.
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That is the end of Part 4.
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You now have one minute to check your answers to Part 4.
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Thank you.
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That is the end of the listening test.
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In the IELTS test, you would now have 10 minutes to transfer your answers to the answer sheet.
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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C1レベルのスピーキングレッスンは、動画「Cambridge 15 Test 3 Section 4 Listening」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：soap, ashes, century, fat, became。 この動画には、シャドーイング用の文が55文、単語が701語あります。 音声の長さは7:45です。 話す速さはゆっくりで、1分あたり約91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73%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
cleanliness 名詞/ˈklɛn.li.nᵻs/清潔
soda 名詞/ˈsoʊdə/ソーダ, 炭酸ナトリウム
cleanse 動詞/klɛnz/浄化する, 清める
chemist 名詞/ˈkɛmɪst/化学者
cloth 名詞/klɒθ/布
alkali 名詞/ˈæl.kəˌlaɪ/アルカリ
aqueduct 名詞/ˈæk.wəˌdʌkt/水道橋
archaeologist 名詞/ˌɑɹ.kiˈɑ.lə.d͡ʒɪst/考古学者
carbonate 名詞/ˈkɑɹbəneɪt/炭酸塩
glycerine 名詞/ˈɡlɪsəɹɪn/グリセロール, グリセリン
prehistoric 形容詞/ˌpɹiː.hɪsˈtoɹ.ɪk/先史の, 先史時代の
pumice 名詞/ˈpʌm.ɪs/軽石
scrape 動詞/skɹeɪp/削る, 擦る
inscription 名詞/ɪnˈskɹɪpʃən/碑文
luxurious 形容詞/lʌɡˈʒʊəɹi.əs/豪華

注意したい発音

  • 「th」の音: cloth /klɒθ/, nineteenth /ˌnaɪnˈtiːnθ/, aesthetic /ɛsˈθɛ.tɪk/
  • 「sh」と「zh」の音: excavation /ˌɛkskəˈveɪʃn/, inscription /ɪnˈskɹɪpʃən/, luxurious /lʌɡˈʒʊəɹi.əs/, shampoo /ʃæmˈpuː/, shave /ˈʃeɪ̯v/
  • 長い単語（アクセントの位置に注意）: archaeologist /ˌɑɹ.kiˈɑ.lə.d͡ʒɪst/, prehistoric /ˌpɹiː.hɪsˈtoɹ.ɪk/, medicinal /məˈdɪ.sɪ.nəl/, luxurious /lʌɡˈʒʊəɹi.əs/, inexpensive /ˌɪnɪkˈspɛnsɪv/

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: archaeologist /ˌɑɹ.kiˈɑ.lə.d͡ʒɪst/, glycerine /ˈɡlɪsəɹɪn/, luxurious /lʌɡˈʒʊəɹi.əs/, readily /ˈɹɛdɪli/, laundry /ˈlɔːn.dɹi/
  • /v/ — /b/ にならないように、上の歯を下唇に当てる: excavation /ˌɛkskəˈveɪʃn/, inexpensive /ˌɪnɪkˈspɛnsɪv/, shave /ˈʃeɪ̯v/, vegetable /ˈvɛd͡ʒ.tə.bəl/, civilization /ˌsɪv.ɪ.laɪˈzeɪ.ʃən/
  • /f/ — 「フ」ではなく、上の歯と下唇で出す: reinforce /ˌɹiː.ɪnˈfɔːs/, perfume /ˈpɝfjuːm/

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。cleanliness, soda, cleanse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 →