シャドーイング練習: Bats for Kids | Learn cool facts about bats - 動画で英語スピーキングを学ぶ
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Bats.
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Hi friends!
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Today we are going to learn all about bats.
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And if you want to read along with us, check out learnbright.org to find this lesson plan.
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What are bats?
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The only mammals that fly are bats, which is why some people mistake them for birds when they are in the sky.
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But bats are more closely related to you than they are to a bird.
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Plus, bats don't have feathers.
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Instead, they have fur in various colors, such as gray, tan, brown, or black.
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While bats live worldwide.
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Most of them live in the tropics.
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And most of them like to rest in dark places like caves, hollow trees, or even in attics.
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But a few like to rest on rocks or trees.
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There are over 1,300 species or types of bats.
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Depending on the species, when their wings are spread open, they can measure from 6 inches to 5 feet across.
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That's probably taller than you!
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Their wings, which are their hands, are made of thin layers of bare skin, which join their long fingers together.
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Bat wings stretch from the end of their long hands down to their legs.
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They also have huge ears that point forward.
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Large groups of bats are called a collective, cauldron, or colony, when they are swarming.
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Bats prefer to live in groups and hang upside down by their feet while sleeping.
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Scientists think sleeping upside down helps them escape predators because they can quickly drop into flight.
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In addition, they are nocturnal and prefer to sleep during the day and hunt for food at night.
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What do bats eat?
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If you are a night flying insect, watch out for bats.
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Some bats eat mice, reptiles, birds, and other smaller bats.
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But most bats eat nothing but insects.
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Small bats, the size of an adult thumb, can eat about 4 to 8 grams, that's about 2 grapes, of insects each night.
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You might be thinking that's not a lot.
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And when you take one million bats that eat insects every night, that's a lot of insects.
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It's actually about a thousand metric tons.
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Other bats eat small animals, like birds, frogs, mice, or fish.
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Many bats prefer to eat fruit, nectar, and pollen from flowers.
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But the vampire bat of South and Central America feeds on the blood of large birds and mammals.
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Other interesting facts.
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While they are flying, bats send out a cry from their mouths or noses that is so high-pitched people cannot hear it.
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The sound helps them figure out the distance they are from particular objects and the size of the object.
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The sound of the cry bounces off of objects and echoes back to the bat.
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Using the sound waves, they can create a picture of exactly what's around them.
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This is called echolocation.
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Echolocation enables bats to avoid flying into objects in their path and to locate insects to eat.
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When they find an insect, they trap it with their wings or tail and then reach over to put it in their mouth.
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Unfortunately, chasing and eating insects using echolocation often makes their flight pattern look erratic or uneven rather than smooth like birds.
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The saying, blind as a bat,
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is inaccurate because bats have excellent eyesight and extraordinary hearing.
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The bat is so unique that some ancient civilizations worshipped them.
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For example, the Aztecs had many different gods, and their god of the dead was called Mclantacutli,
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and he had a scrunched bat-like face with clawed hands and feet.
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Why are bats important to the environment?
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Just like bees and butterflies, Bats are pollinators as they fly from plant to plant in search of food.
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Hundreds of plants, like bananas, mangoes, and avocados, rely on bats to pollinate them.
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Bats also help spread seeds for nuts, figs, and cacao, the main ingredient in chocolate.
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Without bats, we might not have delicious chocolate desserts.
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They also play an extremely important, or essential, role in pest control.
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By eating literally tons of insects a night, they help stop crop damage and decrease pesticide use.
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But sadly, bats are declining across the globe.
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People kill bats when they don't have to, because they don't understand their importance to the ecosystem.
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And because of human progress and activity, bats are losing many of their caves for shelter, causing habitat loss.
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And since 2006, 5 million bats have died have died from White Nose Syndrome disease.
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But with knowledge and protection, we can help the numbers of bats soar again.
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We have just learned some pretty bat-tastic facts.
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Let's review.
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Why is the bat population shrinking?
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Where did you find that information?
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The bat population is shrinking because people kill bats when they don't have to, and because of human progress and activity.
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Why do scientists think that bats sleep upside down?
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Scientists think sleeping upside down helps them escape predators because they can quickly drop into flight.
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True or false?
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Bats are nocturnal.
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True!
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Bats are nocturnal.
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Fantastic work, friends!
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Remember, if you liked this lesson, check out even more on our website, learnbright.org.
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And have a bat-tastic day!
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Hope you had fun learning with us.
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Visit us at learnbright.org.
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for thousands of free resources and turnkey solutions for teachers and homeschoolers.
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コンテキストと背景
このビデオでは、コウモリについて詳細に学ぶ機会が提供されています。話し手は、コウモリがどのような生き物であるか、彼らの生態、食生活、飛行能力、さらには生態系における重要性について解説しています。コウモリは唯一空を飛べる哺乳類であり、私たちが生活する上でどれほど重要かを理解することは、英語学習者にとっても興味深いトピックです。このコンテンツを通じて、日常会話に役立つ表現も学べるように設計されています。
日常コミュニケーションのためのトップ5フレーズ
- What are bats?（コウモリとは何ですか？）
- Bats are mammals that fly.（コウモリは飛ぶ哺乳類です。）
- They prefer to sleep during the day.（彼らは昼に寝ることを好みます。）
- Most bats eat insects.（ほとんどのコウモリは昆虫を食べます。）
- They use echolocation to find food.（彼らはエコロケーションを使って食べ物を見つけます。）
ステップバイステップシャドーイングガイド
このビデオを通じて英語力を向上させるためには、以下のステップを踏んでみてください。英語シャドーイングは、言語習得に非常に効果的な方法です。
- 視聴前にリスニングを強化: ビデオを視聴する前に、英語スピーキング練習のための準備として、簡単なリスニング練習を行いましょう。
- ビデオの視聴: 最初はコウモリに関する説明を聞き取ることに集中しましょう。聞き取れなかった部分は繰り返し再生して確認します。
- シャドーイング: 音声が再生されるときに、スピーカーに合わせて発音してみてください。実際の動画を使うことで、より自然なリズムで英語を話す練習ができます。
- フレーズの確認: 上記のフレーズを使って、自分の言葉で説明できるように反復練習します。
- 自己評価: 自分の発音や流暢さを録音して聞き返すことで、改善点を見つけましょう。
このように、shadowing siteを利用しながら、YouTubeで英語学習を進めることで、さらに効果的に英語力を高めることができます。コウモリのように瞬時に言葉をキャッチし、表現できる力を養っていきましょう。
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 | are spread · are made · are called |
| 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 died · have just learned |
| 関係詞節 who / which + 節 — 人や物について情報を加える | bats, which is · wings, which are |
| 「might / may」による可能性 might/may + 動詞 — 起こりうるが確実ではないこと | might be · might not have |
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。