シャドーイング練習: We Built a Wildlife Corridor Through a City - 動画で英語スピーキングを学ぶ

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What if there was a way to transform your city from this to this, replacing concrete with flowers and drains with rain gardens?

What if we can make our towns resilient against floods, heatwaves and droughts, whilst boosting biodiversity and mental health?

Right now, all around the world, people are finding incredible ways to bring nature back into our cities.

And we're here in Bristol to do exactly that.

We're literally kind of surfing on a wetland right now, and I never thought I would say that sentence.

Pockets of lush green wetlands have been popping up all over the city.

Now there's a plan to create a green corridor along the river's embankment.

And we're going to help make this dream a reality.

Together with our friend

Sam Bentley, we'll explore just how easily we can upgrade our cities

and what that means for the future of urban environments all over the world.

In this video, we're going to be checking out loads of genius innovations

that are bringing nature back to the city piece by piece.

We're Planet Wild.

Welcome to Mission 43.

More than half of the global population live in cities, and many of these places have one thing in common.

They were built on water.

Basically, where you see a city, there used to be a swamp or a wetland.

Then we built huge drainage networks to remove the water and paved over the land so we could live there, sometimes even burying entire rivers underground,

like the Bievre in Paris, the Fleet in London, or the Frome here in Bristol.

And predictably, removing all this water has led to some massive problems.

Flash flooding.

Flash flooding in parts of London.

Urban heat island effect.

Dangerous conditions to be outdoors.

Turns out, wetlands aren't just incredibly important for wildlife, but they also keep temperature and water levels stable.

You know, the kind of thing we humans really need to survive.

And this is why all over the world, people are bringing wetlands back into our cities.

When you start to install wetlands across the city, whether that's a small rain garden,

a drain pipe wetland, right the way to a lake in your local park,

it's really sort of magical and everyone in the city benefits from wetlands.

This is Julia from WWT, the wetland charity.

They're kicking off a huge effort to turn Bristol into the UK's first wetland city.

By replacing old drainage systems with lush rain gardens, installing micro wetlands in backyards and anchoring huge wetlands on the river,

they're creating little pockets of biodiversity everywhere.

In fact, over the next few years, there'll be 200 new projects here in Bristol to bring nature back.

Just imagine the impact that this would have it would completely transform public space across the city, creating habitat, absorbing floodwaters, filtering toxic runoff,

and cooling the city down.

And the transformation has already begun.

WWT and their partners are creating a wildlife corridor through the city center.

And this is the next piece of the puzzle.

We are currently building and planting a futuristic structure called a floating wetland.

We've got one platform which is 100 square meters

and another smaller 16 square meter platform specifically designed with these miniature staircases to save baby seagulls

that are getting stuck in a corner of the harbor.

But we are not doing this alone.

Hey Cam.

Alright Sam.

How's it going?

This is Sam Bentley, founder and host of one of our favorite YouTube channels.

If you've never heard of him, he reports good news stories from around the world and is also making a video about the transformation of Bristol.

So we asked him if he could help us with our new floating wetlands.

This is that and then this becomes there and… Huh?

Okay, okay.

This is how it works.

Step one is putting all the pieces together and locking them in place.

It's a completely modular structure that can be built to any size, and every element is recycled, recyclable or biodegradable.

The frame and floats are old drinking water pipes that are wrapped in coconut husk.

And instead of soil or mud that would just drift away, we're using buoyant clay pellets as the plant bed.

Step two is planting it with more than 20 species of native wetland plants.

What have you got?

Ah, nice.

Glorious.

So above water, we have this layered planting system that creates snow wastes for pollinators and a safe haven for nesting birds.

But the real magic happens underneath.

As these plants grow, their roots go super deep into the water, creating a refuge for marine life, cleaning the water, taking all those pollutants out,

and also regulating water temperature too.

There's potential to install up to 5 ,000 square metres of these floating wetlands here in Bristol,

transforming the concrete embankment into a thriving nature corridor.

So the Planet Wild community is completely funding the construction and installation of these two modules,

as well as even more platforms in the future to make this dream a reality.

You know, with Planet Wild, we do projects all over the world, bringing nature back in different remote, far -flung places.

But it's just amazing to see that it can come back in the middle of our cities.

So in addition to the floating wetlands,

we're also helping WWT to develop a miniature wetland in a box that can be attached to any ordinary drain pipe.

To show you how it works, we're gonna take a break from the harbor and visit a small garden nearby to build a prototype.

We should probably get on with it though.

Yeah.

So this is a very ordinary drain pipe coming from the roof and so when it rains,

the water goes from the gutter all the way down here straight into the drain.

But we are gonna catch this water and use it to create a wetland in a box.

Well, it's actually two boxes.

The top box acts as a pond where aquatic plants can thrive as it fills up with rainwater.

This eventually overflows into the bottom box, a miniature bog that insects and amphibians can call home.

So to make it yourself, you just need to follow these steps.

First thing we need to do is make a hole in the bottom.

This hole should be covered with a filter.

And we use this permeable plant pot.

Then add a layer of gravel, a fabric membrane, and a layer of soil.

The membrane is there to stop the soil running down the drain.

Step 2.

Drill a hole into the side of the top box, allowing the water to flow into the bottom box.

Step 3.

Take a deep breath and cut the drain pipe so

that the entire structure will be in the perfect position to catch the water.

Step 4.

Fill everything with native wetland plants and add a wall of loose bricks.

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And that's it, we're done.

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And within hours you'll start to get insects like dragonflies and damselflies coming back here.

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Spiders can make their homes in here, frogs and newts can come and live in here.

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And it's just incredible the amount of biodiversity that can come back just with this.

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The UK actually has 4 ,000 square kilometers of garden space just like this.

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And now we can actually start to use some of that and give it back to nature.

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We have to interrupt this

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Planet Wild video to bring you some breaking good news from cities around the world.

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First up, we're heading to Seoul, South Korea.

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For decades the Jongjuchon stream was completely buried underneath a massive elevated highway.

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But in the early 2000s, the city actually tore that highway down and restored the natural river.

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Since then, biodiversity has exploded by over 600 % and the corridor is now home to hundreds of species of fish, birds and insects.

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Now we're heading over to the Netherlands where one company has found a way to turn lifeless concrete buildings into green space.

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Respire uses a moisture retaining concrete layer to grow moss directly onto walls.

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Within 12 weeks it forms a green surface that survives on rainwater alone, filtering air pollution while naturally cooling the building.

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Next up we're looking to China where they're creating huge sponge cities.

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Instead of using great infrastructure like concrete pipes to drain stormwater,

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they're building sprawling urban wetland parks and permeable pavements that naturally soak up extreme floods like a giant sponge.

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But the ultimate nature city has to be Singapore.

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By making greenery a core part of their urban design, they've turned a dense metropolis into a city in nature

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and their waterways are now so healthy

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that families of wild otters are happily swimming right through the middle of the central business district.

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You can see from these projects there's not just one solution.

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In a city you have to find little pockets

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and corners to bring nature back around human infrastructure and that's exactly what we're doing in Bristol.

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We're literally kind of surfing on a wetland right now and I never thought I would say that sentence.

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This will be the permanent home of our new wetland.

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For centuries it's been a grey wall but thanks to the Planet Wild community it will soon look like this.

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This piece was installed just two years ago and you can see the difference it's just like full of life.

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There's families of birds in there, it's full of insects, I've seen loads of fish swimming underneath.

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Just incredible what can happen in such a short space of time.

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And of course this is just the beginning.

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These plants will start to establish, they'll start to grow and it really will start attracting nature in.

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We haven't even finished installing the wetland yet and there's this family of swans rocking up and checking it out.

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It can potentially be their new home, like that is just so perfect, so beautiful.

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Finally we installed the second platform and again the effect was instant.

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So we literally just installed the floating wetland

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and we've seen a baby seagull who is stuck in the water use the ramp

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and climb up onto the platform and that's just saved its life it's just unbelievable to witness.

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And that is the beauty of this project nature is just waiting beneath the concrete

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and the asphalt once you give it a chance it's immediately making our cities more biodiverse safer

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and simply nicer places to live.

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And because it's such a simple solution, it can easily be copied around the world.

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So our funding here is not only transforming Bristol, but it's also creating a blueprint for future wetland cities everywhere.

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Thank you so much for making it all the way to the end of the video.

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I hope you can tell that we put a lot of hard work into the missions and the mission videos,

146

but we really couldn't do any of it without our community.

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Right now, we're more than 27 ,000 members.

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We're actually growing really quickly which is so exciting.

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Every single month we go on a mission to bring back endangered species, to clean up our oceans and to restore entire landscapes.

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So if that sounds good to you, you can join

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Planet Wild as a backer by following the QR code here or the link in the description.

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Thanks so much for watching and catch you next time.

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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「We Built a Wildlife Corridor Through a City」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：wetland, nature, cities, Bristol, drain。この動画には、シャドーイング用の文が115文、単語が1927語あります。音声の長さは11:27です。話す速さは1分あたり約168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80%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
concrete 形容詞	/ˌkɑnˈkɹit/	実際の, 具体的
flood 名詞	/flʌd/	洪水, 大水
pipe 名詞	/ˈpaɪp/	笛
float 動詞	/fləʊt/	浮かぶ, 浮く
layer 名詞	/ˈleɪ̯ɚ/	層, 膜
transform 動詞	/tɹænsˈfɔɹm/	変形する, 変換する
corridor 名詞	/ˈkɒɹɪdɔː/	廊下, 回廊
insect 名詞	/ˈɪn.sɛkt/	昆虫
pocket 名詞	/ˈpɑ.kɪt/	ポケット, 懐中
soil 名詞	/sɔɪl/	土, 土壌
filter 名詞	/ˈfɪltɚ/	濾過器, フィルター
metre 名詞	/ˈmiːtəɹ/	メートル, ㍍
miniature 名詞	/ˈmɪn.(i)ə.tʃəɹ/	ミニチュア
naturally 副詞	/ˈnæt͡ʃ.(ə.)ɹə.li/	勿論
infrastructure 名詞	/ˈɪnfɹəˌstɹʌkt͡ʃə/	インフラストラクチャ, インフラ

動画に出てくる句動詞

単語	意味
come back 動詞	戻る, 帰る
check out 動詞	試験する, 検査する
clean up 動詞	掃除する

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	has led · has already begun · you've never heard
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 built · can be built · are wrapped

注意したい発音

話し手はwe're, gonna, they'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。

「th」の音: underneath /ˌʌndɚˈniθ/, thrive /θɹajv/, beneath /bɪˈniːθ/
「sh」と「zh」の音: transformation /ˌtɹæns.fɔɹˈmeɪ.ʃən/, establish /ɪˈstæb.lɪʃ/, potentially /pəˈtɛnʃ(ə)li/, innovation /ˌɪn.əˈveɪ.ʃən/, pollution /pəˈluʃən/
長い単語（アクセントの位置に注意）: miniature /ˈmɪn.(i)ə.tʃəɹ/, naturally /ˈnæt͡ʃ.(ə.)ɹə.li/, infrastructure /ˈɪnfɹəˌstɹʌkt͡ʃə/, ordinary /ˈɔɹdɪnɛɹi/, transformation /ˌtɹæns.fɔɹˈmeɪ.ʃən/

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: naturally /ˈnæt͡ʃ.(ə.)ɹə.li/, incredibly /ɪŋˈkɹɛdɪbli/, explore /ɪkˈsploɹ/, drill /dɹɪl/, regulate /ˈɹɛɡ.jə.leɪt/
/v/ — /b/ にならないように、上の歯を下唇に当てる: thrive /θɹajv/, innovation /ˌɪn.əˈveɪ.ʃən/, unbelievable /ˌʌnbɪˈliːvəbl̩/, microwave /ˈmaɪkɹoʊˌweɪv/, gravel /ˈɡɹævəl/
/f/ — 「フ」ではなく、上の歯と下唇で出す: flood /flʌd/, float /fləʊt/, transform /tɹænsˈfɔɹm/, filter /ˈfɪltɚ/, infrastructure /ˈɪnfɹəˌstɹʌkt͡ʃə/

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。
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。
自分の声を録音して元の音声と比べます。concrete, flood, pipe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 →

シャドーイング練習: We Built a Wildlife Corridor Through a City - 動画で英語スピーキングを学ぶ

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