シャドーイング練習: What Animals Think Humans Are? - 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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Every animal on Earth looks at us differently.
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Some think we're family, some think we're terrible hunters, and one animal might actually think we're completely insane.
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Let's find out.
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Number six, dogs.
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Humans have spent around 30,000 years turning wolves into our best friends.
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But here's something scientists only recently started to understand.
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Your dog probably doesn't think you're another dog.
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Instead, it seems to know you're something entirely different.
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Researchers have shown that dogs recognize human faces.
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Understand our pointing gestures learn hundreds of words, and even read our emotions.
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In one experiment, dogs were shown pictures of happy and angry human faces.
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Surprisingly, they reacted differently to each one, meaning they aren't just looking at your face, they're actually paying attention to your mood,
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which explains why your dog somehow knows you're sad.
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Five minutes before you do.
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But here's my favorite part.
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When dogs reunite with their owners after being separated, their brains release huge amounts of oxytocin,
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the exact same hormone that helps parents bond with their children, and when you look back into your dog's eyes, your brain releases it too.
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It's basically a biological friendship loop.
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Scientists believe dogs see humans as trusted social partners, providers, protectors, and members of their family.
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Although, based on how often mine watches me struggle to open a bag of chips, I'm pretty sure he also thinks I'm hopeless.
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Number five, cats.
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Cats have lived with humans for nearly 10,000 years.
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Somehow, they still act like we're the ones living in their house.
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Unlike dogs, cats were never heavily bred to obey humans.
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They mostly domesticated themselves.
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Thousands of years ago, wild cats discovered that villages were full of mice.
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Humans noticed the cats were helping.
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Neither side complained.
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And that's basically how the partnership started.
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Today, scientists think cats recognize that humans are different from other cats.
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They don't mistake us for giant felines, but they often treat us using behaviors normally reserved for trusted cats.
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For example, that slow blink your cat gives you, among cats, that's a peaceful signal.
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Almost like saying, I trust you.
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Then there's rubbing against your legs.
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Many people think that's affection, and it is, but it's also a way of mixing scents.
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Cats have scent glands on their cheeks, forehead, and tail.
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So every time they rub against you, they're basically saying, this giant hairless creature belongs with me.
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Then there's the gifts.
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The dead mouse on your doorstep.
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Congratulations!
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Your cat probably wasn't trying to insult you.
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Some experts believe mother cats bring prey back to teach their kittens how to hunt.
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Whether domestic cats view humans the same way is still debated.
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But one thing is certain.
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Your cat definitely noticed you haven't caught a single mouse all year.
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Honestly, somebody had to help.
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Number four, dolphins.
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If you lived in the ocean, you'd probably think humans were terrible dolphins.
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And honestly, you'd be right.
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Dolphins are some of the smartest animals on Earth.
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They recognize themselves in mirrors, call each other by unique signature whistles, and even cooperate to solve complex problems.
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But here's something interesting.
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Unlike sharks, dolphins rarely treat humans as prey.
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Instead, they often seem curious.
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Around the world, wild dolphins have been observed swimming alongside divers, inspecting boats, even bringing unusual objects like seaweed or shells toward people.
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Scientists believe dolphins investigate anything new in their environment.
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Humans just happen to be one of the strangest things they've ever seen.
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There are also dozens of well-documented reports of dolphins helping people.
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Some have guided lost swimmers toward shore.
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Others have formed protective circles around humans when sharks were nearby.
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Scientists still debate why.
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Were they protecting us, protecting themselves, or were they simply responding to another animal in distress?
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The honest answer is, nobody knows.
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But dolphins are incredibly social.
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Helping injured members of their own pod is common, so extending that behavior toward humans isn't impossible.
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One thing is certain, if dolphins really are judging us, they're probably wondering why we need boats just to stay above water.
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Number three, octopus.
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Imagine meeting an alien, only to discover it already lives on Earth.
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Meet the octopus.
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Unlike almost every intelligent animal we've talked about, octopuses didn't evolve in families.
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They don't hunt in packs, they don't raise large social groups.
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Most spend their lives completely alone.
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Yet, somehow, they became one of the smartest animals in the ocean.
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Scientists have watched octopuses unscrew jars, escape locked aquariums, solve puzzles, and even memorize routines inside laboratories.
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One famous octopus learned exactly when the night shift started.
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Every evening, it would quietly climb out of its tank, sneak across the floor, help itself to fish from another aquarium, then crawl back home before anyone noticed.
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Honestly, if it had eight hands, wait.
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Never mind.
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But what do octopuses actually think humans are.
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Researchers believe they're incredibly curious about us.
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Divers often report octopuses slowly reaching out with one arm, touching cameras, masks, or even people's hands.
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Not to attack, just to investigate.
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Their arms are packed with thousands of chemical and touch receptors, so every little tap is basically the octopus asking, what exactly are you?
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Some even seem to recognize individual divers who visit regularly, while others have been known to completely ignore certain people, and spray water at others.
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Scientists have actually documented octopuses squirting water at humans they apparently didn't like.
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Imagine being judged by an animal with nine brains.
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Technically, one central brain and eight arms that can solve problems almost by themselves.
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That's less like meeting a fish and more like meeting an underwater genius.
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Number two, chimpanzees.
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Out of every animal on earth, there's one that's looked at humans and probably thought, you're almost one of us.
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Chimpanzees share around 98 to 99% of their DNA with humans.
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That makes them our closest living relatives, alongside bonobos.
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And sometimes, the similarities are almost unsettling.
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Chimpanzees laugh when they play, comfort each other after fights, use tools, work together, and even wage territory battles against rival groups.
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Sound familiar?
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Wild chimpanzees have noticed something fascinating.
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Chimpanzees clearly understand that humans are animals very strange ones.
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In forests where people hunt chimpanzees, the apes become incredibly cautious.
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They stay silent, hide high in the trees, and avoid people whenever possible.
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But in protected sanctuaries, where humans consistently bring food, provide medical care, or help injured chimps, their behavior changes completely.
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Some individuals confidently approach familiar caretakers.
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Others reach out for reassurance during stressful situations.
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Young chimpanzees are especially curious.
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Watching humans, copying movements, even trying to imitate certain behaviors, researchers believe chimpanzees recognize individual humans,
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remember past interactions, and adjust their behavior based on trust.
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They don't see every person the same way.
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They remember, which is impressive, Because I still forget where I left my phone.
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At least twice a day.
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Chimpanzees probably don't think we're giant apes.
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They seem to understand we're a completely different species.
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One that's incredibly clever, sometimes dangerous.
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Number one, orcas.
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Imagine being the most powerful predator on Earth, and still choosing not to attack humans.
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Meet the orca.
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Orcas have hunted almost everything the ocean has to offer.
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Seals, sharks, penguins, whales, even great white sharks.
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Scientists have watched entire pods flip sharks upside down, specifically to eat one organ, the liver.
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Talk about ordering only the appetizer.
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Despite being perfectly capable of hunting humans, there has never been a confirmed case of a wild orca intentionally killing a human.
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That's astonishing, especially considering how often people share the ocean with them.
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So, what do they think we are?
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Researchers believe orcas are extremely curious.
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Wild pods have been filmed approaching kayaks, surfboards, sailboats and even divers.
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Sometimes they quietly swim alongside people, rolling onto their sides, looking directly at them with one eye, almost as if they're trying to figure us out.
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Some scientists think this behavior is simply investigation.
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Others believe they're gathering information about unfamiliar animals.
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The truth is, we don't know exactly what's going through an orca's mind.
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But we do know something remarkable.
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Orcas recognize individuals within their own pods, teach hunting techniques across generations, and have distinct cultures that vary from one population to another.
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That means different groups of orcas can behave differently, almost like different human communities.
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Thanks for watching The Curious Kid.
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I'll see you in the next video.

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132文、単語が1392語あります。 音声の長さは8:30です。 話す速さは1分あたり約164語で、日常会話に近い自然なペースです。 英語の頻出3,000語に含まれる単語は79%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
scientist 名詞/ˈsaɪəntəst/科学者
dolphin 名詞/ˈdɑlf.ɪn/海豚, イルカ
curious 形容詞/ˈkjʊɹ.i.əs/好奇心の強い, 知りたがる
researcher 名詞/ˈɹiˌsɝ.t͡ʃɚ/研究員, 研究者
alongside/əˌlɔŋˈsaɪd/に沿って
solve 動詞/sɒlv/解決する
mouse 名詞/maʊs/鼠, ネズミ
pod 名詞/ˈpɑd/さや
investigate 動詞/ɪnˈvɛs.tə.ɡeɪt/調べる, 調査する
swim 動詞/swɪm/泳ぐ
quietly 副詞/ˈkwaɪ.ɪt.li/静かに
prey 名詞/pɹeɪ/獲物
scent 名詞/sɛnt/香り, 匂い
aquarium 名詞/əˈkwɛɹ.i.jəm/金魚鉢, 養魚鉢
ignore 動詞/ɪɡˈnɔː/無視する, 忽略する

動画に出てくる句動詞

単語意味
find out 動詞見出す, 調べる

注意したい発音

話し手はdon't, they're, we'reなど、短縮形や弱形を36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。

  • 「sh」と「zh」の音: partnership /ˈpɑɹtnɚʃɪp/, unusual /ʌnˈjuːʒ(u)əl/, congratulations /kənˌɡɹæt͡ʃəˈleɪʃ(ə)nz/, friendship /ˈfɹɛn(d)ʃɪp/, shell /ʃɛl/
  • 長い単語(アクセントの位置に注意): incredibly /ɪŋˈkɹɛdɪbli/, differently /ˈdɪf.ə.ɹənt.li/, investigate /ɪnˈvɛs.tə.ɡeɪt/, aquarium /əˈkwɛɹ.i.jəm/, unusual /ʌnˈjuːʒ(u)əl/

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。scientist, dolphin, curious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
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 spent · have shown · have lived
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were shown · being separated · is still debated
最上級 the -est / the most … — グループの中で一番the smartest · the strangest · the most powerful
過去進行形 was/were + -ing — 過去のある時点で進行中だった動作were helping · wasn't trying

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 →