シャドーイング練習: Can diet improve memory? BBC News Review - YouTubeで英語スピーキングを学ぶ
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Could apples, berries and cacao improve our memory as we get older?
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Could apples, berries and cacao improve our memory as we get older?
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This is News Review from BBC Learning English.
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I'm Neil.
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And I'm Beth.
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Make sure you watch to the end to learn vocabulary to talk about this story.
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Don't forget to subscribe to our channel,
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like this video and try the quiz on our website.
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Now the story.
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What you eat could improve your memory as you age.
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That's according to new research in the US that found people with a diet rich in flavanols
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may be less likely to lose their memory.
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The substance is found in tea,
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berries, apples and cacao, the seeds that chocolate is made from.
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But while some scientists think eating more dark chocolate could help,
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others say more research is needed.
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You've been looking at the headlines, Beth.
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What's the vocabulary?
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We have keep something at bay, stave off and drive.
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This is News Review from BBC Learning English.
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Let's look at our first headline.
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This is from the Mail Online.
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Six squares of dark chocolate a day may keep the memory loss at bay.
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So, this headline is suggesting that eating dark chocolate can help prevent you from losing your memory as you get older.
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The expression we are looking at is keep something at bay.
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It's quite a strange-sounding expression.
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What does it mean?
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Well, quite simply, it means to stop something bad or dangerous,
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harmful from happening to you.
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So, in this case, the harmful thing is memory loss.
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We want to prevent memory loss,
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so we want to keep it at bay.
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Yes.
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And this expression does have a wider use.
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It's not only about memory loss.
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No, it's not.
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We can use it for lots of harmful things,
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but it is often related to health.
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So, for example, washing your hands can keep infections at bay,
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or exercising can keep heart disease at bay.
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Yes.
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And take note, we can also use the word but hold instead of keep,
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hold something at bay, it means exactly the same thing.
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Let's look at that again.
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Let's look at our next headline.
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This is from The Guardian.
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Tea, apples and berries could stave off age-related memory loss, study suggests.
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Again, this headline is about preventing something bad from happening to us,
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in this case memory loss.
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The expression we're going to look at is stave off.
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Now, that word stave, that's an old-fashioned sounding word for a long stick, isn't it?
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It is, yeah.
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And it might help you to think about that long stick to understand this expression.
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So, Neil, imagine something is physically threatening you,
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maybe a pack of wild dogs,
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and you have a long stick.
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What are you going to do with it?
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Well, if a pack of wild dogs was attacking me,
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I would use that long stick to protect myself.
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Maybe I could wave it and the dogs would go away.
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That's a strong mental image.
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It might help you to remember the meaning of this phrasal verb,
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but actually we don't usually use stave off in a literal sense anymore.
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We don't, but it does have the same meaning.
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It just means to prevent something bad from happening,
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just like our first expression, keep something at bay.
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And again, this is something we often use with health.
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Some people say that drinking orange juice can stave off a cold.
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but we can also use it to mean prevent other general negative things.
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Yes.
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And one more interesting thing to note.
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Stave off is a phrasal verb,
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and it's the kind of phrasal verb that you can split in the middle.
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So, you can say, orange juice staves off colds,
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or you can say, orange juice staves colds off.
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Let's look at that again.
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Let's look at our next headline.
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This is from The Independent.
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Diet low in flavanols may drive age-related memory loss, scientists claim.
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So, this headline is looking at the same story,
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but from the opposite angle.
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It's saying that a diet low in flavanols – now,
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that's that substance that you find in apples,
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berries, tea and cacao – a diet low in that could cause memory loss.
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And the word we're looking at is drive,
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a familiar word used differently here.
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Yes, but we're not talking about cars here.
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So, drive actually has a wider meaning than the one we all know connected to cars and driving.
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It can also mean to force something in a certain direction.
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Yes.
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So, when the headline says that a diet low in flavanols drives memory loss,
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it means that that diet pushes in the direction of memory loss.
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And in the same way,
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when you drive a car,
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actually what you're doing is just forcing it to go in a certain direction.
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OK, let's look at that again.
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We've had keep something at bay – prevent something bad affecting you.
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Stave off – also prevent something bad affecting you.
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And drive – force in a certain direction.
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Did you know that exercise can also help our brains?
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To learn more, watch this episode of News Review.
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Don't forget to click here so that you can subscribe and never miss another video.
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Thanks for joining us.
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Bye.
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Bye.
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このレッスンについて
このレッスンでは、記憶力と食事の関係について学びます。具体的には、フラバノールが豊富な食事が記憶力を改善する可能性についての研究結果を基に、関連する語彙や表現を練習します。また、シャドーイングに焦点を当て、スピーチや発音を向上させるための効果的な方法を探ります。
重要な語彙とフレーズ
- keep something at bay - 何かを遠ざける、抑える
- stave off - 防ぐ、遅らせる
- drive - 駆り立てる、促進する
- flavanols - フラバノール（植物由来の化合物）
- related memory loss - 関連する記憶喪失
- dark chocolate - ダークチョコレート
- age-related - 年齢に関連する
- research suggests - 研究が示唆する
練習のヒント
このビデオの音声をシャドーイングする際は、NeilとBethの自然な会話速度に注目してください。彼らの話し方に合わせ、自分の声で繰り返すことで、発音やイントネーションを改善できます。特に、shadowspeak アプローチを利用して、滑らかな話し方を身に付けましょう。
また、IELTS スピーキング対策として、彼らが使用する新しい語彙やフレーズを繰り返してみてください。これにより、日常会話や試験での応用力が増します。強調される語や感情を意識しながら実践することが大切です。さらに、shadowing site や音声教材を活用して、同様のトピックに関する異なるスピーチを聴き、練習の幅を広げてください。
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。