シャドーイング練習: This is NOT a Dandelion. | Deep Look - 動画で英語スピーキングを学ぶ

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51 文
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1
Gardeners may wish these bright, playful blooms never existed.
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This butterfly begs to differ.
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So do these tiny insects called thrips foraging for pollen.
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And this finch, munching away on their seeds.
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You might think these are dandelions.
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But they're actually close relatives, called cats ears.
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They have furry leaves.
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Dandelions are smooth.
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Both are edible.
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Both create globes called clocks, full of seeds.
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The dandelions look a little tidier.
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These green filleries point up in cats' ears, snugly holding the flowers.
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In dandelions, some of them curl down.
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Cats' ears like company.
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Their stems branch out with multiple blooms.
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Dandelions, they like their space, growing just one on each stem.
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Both plants have a few secrets up their petals that explain why they're so successful.
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Catsears started out in Morocco, but have fanned out all around the world.
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All sorts of pollinators pitch in to help them do it.
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Bees love cat's ears, and dandelions, because instead of just one flower, each of these, called an inflorescence,
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is actually a cluster of tiny flowers, called florets.
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Each one has its own flower parts, like these curly stigmas.
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Every floret produces nectar that bees sip with their proboscis.
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And pollen to eat or carry away for their young.
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Don't mind if I do.
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Some of this pollen lands on a stigma.
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and fertilizes the ovules in the floret's ovaries.
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Each ovule will become a seed, dozens in each inflorescence.
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Dandelions don't even need pollen to reproduce.
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Their ovaries already have all the genetic material they need to turn into a seed.
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They clone themselves.
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And does this white tuft look familiar?
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It's a hint at the transformation to come.
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Once fertilized, a cat's ear inflorescence closes.
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It's putting all its energy into growing its seeds.
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Its petals wither and eventually fall off.
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The same happens for a dandelion.
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It gets ready for the big moment.
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It unfurls into an ethereal globe.
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Dozens of white tufts have extended out into the tiny parachutes we know.
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A single one is called a pappus.
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Each ready to take flight and deliver the seed hiding inside this dried ribbed fruit called a cypsula.
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The pappas acts like an open umbrella, good at catching the wind.
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Off they go, carrying their future and our wishes with them.
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Hi, it's Laura.
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I love bees, like honeybees and bumblebees. Do you?
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And do you like surveys?
48
Our partner PBS Digital Studios wants to hear from you.
49
You'll get to vote on a new series coming to PBS.
50
Link in the description.
51
Thanks.

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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

このスピーキングレッスンは、動画「This is NOT a Dandelion」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：dandelion, seed, ear, pollen, flower。 この動画には、シャドーイング用の文が51文、単語が425語あります。 音声の長さは4:35です。 話す速さはゆっくりで、1分あたり約93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69%だけなので、語彙は難しめです。

この動画の重要語彙

動画に出てくる覚えておきたい単語15語を、発音と意味つきで紹介します。

単語発音意味
ear 名詞/ˈɪə̯/耳
flower 名詞/ˈfloʊɚ/花
seed 名詞/siːd/種
bee 名詞/ˈbiː/蜂, 花蜂
globe 名詞/ɡloʊb/グローブ, 地球儀
stigma 名詞/ˈstɪɡmə/恥辱, 汚点
relative 名詞/ˈɹɛl.ə.tɪv/親戚, 身内
clock 名詞/klɑk/走行距離計
pitch 名詞/pɪt͡ʃ/投球
smooth 形容詞/smuːð/スムース
genetic 形容詞/d͡ʒəˈnɛt.ɪk/遺伝的
leaf 名詞/lif/葉, 葉っぱ
transformation 名詞/ˌtɹæns.fɔɹˈmeɪ.ʃən/変形, 変換
hint 名詞/hɪnt/ヒント, 手がかり
differ 動詞/ˈdɪfɚ/異なる, 違う

注意したい発音

話し手はdon't, they're, you'llなど、短縮形や弱形を5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: smooth /smuːð/, ethereal /ɪˈθɪɚ.i.əl/, wither /ˈwɪðɚ/
  • 「sh」と「zh」の音: transformation /ˌtɹæns.fɔɹˈmeɪ.ʃən/, parachute /ˈpæɹəʃut/
  • 長い単語（アクセントの位置に注意）: transformation /ˌtɹæns.fɔɹˈmeɪ.ʃən/, dandelion /ˈdæn.dəˌlaɪ.ən/, inflorescence /ˌɪnfləˈɹɛsəns/, ethereal /ɪˈθɪɚ.i.əl/, pollinator /ˈpɒlɪˌneɪtə(ɹ)/

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: relative /ˈɹɛl.ə.tɪv/, butterfly /ˈbʌ.tə(ɹ).flaɪ/, umbrella /ʌmˈbɹɛl.ə/, curl /kɜɹl/, inflorescence /ˌɪnfləˈɹɛsəns/
  • /v/ — /b/ にならないように、上の歯を下唇に当てる: relative /ˈɹɛl.ə.tɪv/, ovule /ˈɒvjuːl/
  • /f/ — 「フ」ではなく、上の歯と下唇で出す: flower /ˈfloʊɚ/, leaf /lif/, transformation /ˌtɹæns.fɔɹˈmeɪ.ʃən/, differ /ˈdɪfɚ/, butterfly /ˈbʌ.tə(ɹ).flaɪ/

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。ear, flower, seed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 →