シャドーイング練習: CONTEMPORARY TOPICS UNIT 9 LINGUISTICS ANIMAL COMMUNICATION - 動画で英語スピーキングを学ぶ
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How many of you have pets?
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They're great, aren't they?
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I've got a golden retriever myself, and often I feel that my dog is communicating with me.
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But do animals really communicate like we do?
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Well, Harvard professor Mark Hauser has identified several types of animal communication.
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And like humans, they do use sounds and nonverbal behavior to communicate.
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For instance, they convey information to one another, they establish and maintain social organization, and they express their perceptions of the world.
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So today we'll look at animal communication through the lens of human language.
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Specifically, we'll use four basic characteristics of human language to see how animal and human communication styles compare.
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I think that you'll be surprised at how sophisticated animal communication is.
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But ultimately, we'll see that human communication is far more flexible and better developed.
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Now the first characteristic we'll look at is arbitrariness.
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Arbitrariness means that there's no logical relationship between a sound and its meaning.
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For example, the word sky has no relationship with the thing it refers to, right?
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In comparison, a lot of animal communication is not arbitrary.
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For example, the growl of an angry dog is meant to very directly warn and threaten.
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There's nothing arbitrary about this message, right?
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However some animal communication is arbitrary, albeit to a limited degree.
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For example, meerkats, a small African animal, can make about 20 distinct sounds.
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They use one alarm call for snakes, another for eagles, and yet another for large cats, just to name a few, okay?
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This is impressive, but human languages are far more flexible because they have a wide range of sounds.
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English, for example, has more than 40 distinct sounds, such as ah, kuh, or t.
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And we can make an unlimited number of arbitrary words by altering these sounds, far more than any animal.
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The second characteristic of human language we'll compare is displacement.
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Displacement is communicating ideas about things that are not physically present.
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For example, if you talk about what you did last weekend, that's displacement.
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Now, can animals do this?
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Well, often the answer is they can't.
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For instance, if your dog doesn't like the neighbor cat, maybe it barks when it sees the cat.
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But when the cat isn't around, the dog doesn't bark.
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It doesn't communicate its dislike of the cat.
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This shows that the dog doesn't have the capacity for displacement.
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Well, one exception to this is bees.
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Many types of bees use displacement in their dances.
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Through these dances, they're able to communicate to other bees the distance, direction, quality, and quantity of a food source.
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The meaning of the dance is so clear and so precise
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that even scientists researching bee dances can interpret exactly where the food is.
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In any case, although I think that the bees is an excellent example of the sophistication of animal communication,
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in general, animals' use of displacement is extremely limited compared to humans.
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Think about books, magazines, and the internet.
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I mean, everything that we read involves displacement, as do most of our conversations.
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The third characteristic of human language that I want to consider is called cultural transmission, the idea that language is passed from one generation to the next.
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Now, obviously, humans excel at this, but what about animals?
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Well, some animals are also fairly skilled at passing language on to their young.
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A good example of this is the killer whale.
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They live in groups, and different groups develop different accents, just like people.
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The accents are passed from older to younger killer whales.
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Well, this is yet another example of the sophistication of some animal communication.
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However, once again, what we see is that while animal and human communication share similarities,
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similarities, the characteristics that we are looking for are far more developed in humans.
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For example, in addition to accents, humans also pass on extremely large vocabularies and complex grammar.
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The fourth and last characteristic that we'll talk about today is called discreteness.
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This means that language is made up of discrete units that can be combined in different ways to create different meanings.
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As humans, we do this by using sounds to make words and using grammar to arrange those words into sentences.
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The best example we have of animals using discreteness is from chimpanzees raised in captivity.
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Using a keyboard, chimps have made requests for food by typing, raisin peanut, which seemed to mean raisins and peanuts.
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Chimps have also invented phrases that describe things.
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For example, one chimp called watermelon drink fruit.
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Clever, huh?
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But while this is fairly impressive, one major problem with the chimpanzees' use of language is that their word order is quite random.
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So most linguists would say that the chimpanzees really do not understand and use grammar in the way that humans do, and therefore can't be said to use discreteness.
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In the use of discreteness, we see that humans have a huge advantage over animals.
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allows us to make complex words and sentences that communicate an unlimited number of meanings.
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And this is one of the really impressive, actually amazing aspects of human communication.
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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
この動画には、シャドーイング用の文が64文、単語が853語あります。 音声の長さは5:50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。 単語の82%は英語の頻出3,000語に含まれます。残りは練習の前に確認しておきましょう。
この動画の重要語彙
動画に出てくるやや難しい単語15語を、発音と意味つきで紹介します。
- communicate /kəˈmjuːnɪkeɪt/ (動詞) — 伝える. To impart or transmit (information or knowledge) to someone; to make known, to tell.
- characteristic /ˌkæɹ(ə)ktəˈɹɪstɪk/ (名詞) — 特性, 特徴. A distinguishing feature of a person or thing, a part of mental or physical behavior.
- bee /ˈbiː/ (名詞) — 蜂, 花蜂. A flying insect, of the clade Anthophila within the hymenopteran superfamily Apoidea, known for its organised societies (though only a minority have them), for…
- arbitrary /ˈɑː.bɪ.tɹə.ɹi/ (形容詞) — 恣意的な. Based on individual discretion or judgment; not based on any objective distinction, perhaps even made at random.
- impressive /ɪmˈpɹɛsɪv/ (形容詞) — 印象的な. Making, or tending to make, a positive impression; having power to impress.
- compare /kəmˈpɛɚ/ (動詞) — 比べる, 比較する. To assess the similarities and differences between two or more things [“to compare X with Y”]. Having made the comparison of X with Y, one might have found it…
- grammar /ˈɡɹæm.ə(ɹ)/ (名詞) — 文法. A system of rules and principles for the structure of a language, or of languages in general.
- accent /ækˈsɛnt/ (名詞) — 強音, 強調. A higher-pitched or stronger (louder or longer) articulation of a particular syllable of a word or phrase in order to distinguish it from the others or to…
- killer /ˈkɪlɚ/ (名詞) — 殺人者, キラー. One who or that which kills.
- distinct /dɪˈstɪŋkt/ (形容詞) — 明白な. Capable of being perceived very clearly.
- flexible /ˈflɛk.sɪ.bəl/ (形容詞) — 柔軟な. Capable of being flexed or bent without breaking; able to be turned or twisted without breaking.
- unlimited /ʌnˈlɪm.ɪ.tɪd/ (形容詞) — 果てしない, 無限の. Limitless or without bounds; unrestricted.
- whale /ˈweɪl/ (名詞) — 鯨, クジラ. Any large cetacean, usually with the exclusion of dolphins and porpoises.
- peanut /ˈpiˌnʌt/ (名詞) — ピーナツ, 落花生. A legume resembling a nut, the fruit of the plant Arachis hypogaea, native to South America.
- bark /bɑɹk/ (名詞) — 木の皮, 樹皮. The exterior covering of the trunk and branches of a tree or of various other woody plants.
動画に出てくる句動詞
- look for (動詞) — 探す, 求める. To seek.
- pass on (動詞) — 伝える. To go forward.
注意したい発音
話し手はwe'll, doesn't, can'tなど、短縮形や弱形を18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: establish /ɪˈstæb.lɪʃ/, exception /əkˈsɛpʃən/, transmission /tɹænsˈmɪʃən/, perception /pɚˈsɛpʃ(ə)n/, sophistication /səˌfɪs.tɪˈkeɪ.ʃən/
- 長い単語(アクセントの位置に注意): communicate /kəˈmjuːnɪkeɪt/, characteristic /ˌkæɹ(ə)ktəˈɹɪstɪk/, arbitrary /ˈɑː.bɪ.tɹə.ɹi/, unlimited /ʌnˈlɪm.ɪ.tɪd/, similarity /ˌsɪm.ɪˈlæɹ.ɪ.ti/
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。communicate, characteristic, bee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 |
|---|---|
| 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 | is meant · is called · are also fairly skilled |
| 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 | has identified · have made · have also invented |
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。

















