シャドーイング練習: The Logistics of Living in Antarctica - 動画で英語スピーキングを学ぶ

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Antarctica is the earth's coldest, most desolate, most isolated, windiest, driest, and southernmost continent.

All but 2 % of the landmass is covered in ice thousands of feet thick.

Human eyes did not gaze upon the continent until 1820.

Human feet did not touch Antarctica until 1895.

It is not a place built for humans, but still, thousands of people lived there for up to years on end.

But how do they get there, how do they live there, and how does Antarctica work?

Antarctica has thousands of residents, significant infrastructure, and a large transport network

and yet it's one of the very few areas of land on earth not part of any country.

Seven countries have made Antarctic claims—Chile, Argentina, the United Kingdom, Norway,

Australia, France and New Zealand—but they are exactly that—claims.

The only real gauge of whether a country's territorial claim is real is if other countries recognize it and, overwhelmingly, these claims are not recognized.

Australia's claim, for example, is only recognized by the United Kingdom, Norway, France and New Zealand,

countries which clearly have a vested interest in the recognition of Antarctic claims.

For the most part, these claims are ignored.

One doesn't go through customs upon arrival in the claims and certain of them overlap with other claims.

The more universally recognized interpretation is that Antarctica is an international zone.

Just like outer space and the ocean, Antarctica is considered part of the common heritage heritage of mankind,

meaning that it should be preserved immaculately for all future generations forever.

But that's easier said than done.

The seminal piece of legislation regulating the continent is the Antarctic Treaty.

Just as the Cold War was heating up in the late 1950s, the United States, the Soviet Union,

and all other countries with an interest in Antarctica gathered together to decide how the continent would be used.

They emerged with a future -facing treaty that solved most political disputes and issues with the continent, except for one.

In its text the tree specifically says, "...nothing contained in the present treaty shall be interpreted as a

renunciation by any contracting party of previously asserted rights of or claims to territorial sovereignty in Antarctica." Essentially,

they didn't solve the sovereignty issue because it was too difficult to solve, but they did ban military presence,

mining, and nuclear explosions which has helped enormously in keeping the last continent pristine.

So that brings us to today way.

There are no large -scale commercial operations in Antarctica thanks to that treaty.

The vast majority of individuals are there for research.

Of course, living and maintaining a base on the world's most desolate continent is hugely expensive

but it's worth it for the research that can only be conducted in Antarctica.

Some individuals are there to study the continent itself—its wildlife, its geology, and its climate—but others use the area to study the entire world.

Ice cores can be used to track historic atmospheric carbon levels, underground ponds can be tapped to find ancient microbial life unique to this area,

and ice thickness can be monitored to understand how sea levels will rise.

Scientists even use Antarctica to look at space.

As such an isolated place, Antarctica has very low background radiation and virtually no light pollution,

which allows astronomers to use various techniques to peer into deep space.

Scientists are performing groundbreaking research in Antarctica, but how do they even get there?

The difficulty in getting to Antarctica all stems from its weather.

The all -time record high at the south pole is 9 .9 degrees Fahrenheit.

The coasts are significantly warmer where the average summer high is about 30 degrees Fahrenheit, but still, weather above freezing anywhere in Antarctica is an anomaly.

As mentioned, this means that there is virtually no bare ground nearly the entire continent is covered in thick ice and snow.

Therefore, the only real choice when building an Antarctic airstrip is whether to make it on ice or snow.

One thing to remember is that Antarctica is a desert.

The coastal regions, where most of the research bases are, do experience the most snow but still then, that's a maximum of 8 inches per year.

The south pole, meanwhile, only sees 2 to 3 inches of snowfall per year.

It doesn't snow much but when it does it sticks around for centuries.

Therefore, a runway built on ice or snow is fairly permanent.

It doesn't get buried as one might in Canada or Russia.

McMurdo Station's Pegasus Field, for example, was used for more than 40 years before it closed in 2016 to be replaced by the new Phoenix Airfield.

Phoenix Airfield is a compacted snow runway going.

Machines are used to pack the snow until it's dense enough to support a fully loaded, half -million -pound C -17 wheeled cargo plane.

But compacted snow runways have a disadvantage—they can melt.

During the warmest months of the summer, the snow can warm and soften enough

that it is no longer safe to land wheeled aircraft so that's why there's the other type of runway—blue ice runways.

These ice runways are built on areas of glacial ice where there's no snow accumulation.

Ice is much more resilient to warmer temperatures so these runways can be used year round.

Runways on the sea ice are also used typically at the

beginning of the summer research season in early November until December

when the southern hemisphere's summer begins and the ice starts to break up.

Once the coasts are ice free, cargo ships can also bring supplies into the major coastal stations and from there, the internal logistics network gets to work.

Large planes are used to get as much cargo and as many passengers to the continent as inexpensively as possible.

There are certain airports on other continents that serve as gateways to the Antarctic.

Christchurch New Zealand Airport, for example,

sends about 100 flights per year and 5 ,500 passengers to Antarctica and serves as the staging area for the New Zealand,

American, and Italian Antarctic logistics operations.

From there, it's only a five hour flight to McMurdo Station, the largest Antarctic research station.

While Christchurch is the major Antarctic gateway, flights do also leave from Cape Town, South Africa, and Punta Arenas, Chile.

These larger intercontinental planes typically land at the major blue ice and compacted snow runways near the coast,

but then, many of these passengers and much of this cargo needs to get inland.

The inland research bases tend to be smaller and there are fewer of them, but they are still significant.

The American Amundsen -Scott South Pole Station, for example, has a population of 150 people in the summer and there are also smaller Italian,

French, Russian, Japanese, and German stations away from the coasts.

For the American Antarctic operations, McMurdo Station operates as the logistics hub.

Nearly all cargo and passengers arrive there on larger cargo planes or cargo ships.

From there, passengers and some cargo are transferred most often onto Lockheed LC -130 planes.

These prop planes are specifically designed for arctic and antarctic operations.

They have retractable skis that allow them to land on soft, non -compacted snow and there are only 10 in existence.

Polar operations often mean taking off at high altitudes where the air is thin.

The Amundsen -Scott South Pole station, where the plane often flies to,

for example, is surprisingly at 9 ,300 feet above sea level—that's even higher than the highest elevation commercial airport in the US.

When the air is thin, wings generate less lift so the speed needed to take off is higher and so, in order to be able to take off at higher elevations,

this LC -130 plane has rockets to help speed it up at takeoff.

Thanks to its skis, this plane can operate to those places like the South Pole station

that don't have compacted snow or blue ice runways.

While passengers and some cargo like fresh food take the quick two -hour flight from McMurdo station to the south pole, there is another way.

Flights are hugely expensive and the United States Antarctic program works on a limited budget

so there's an effort being made to reduce shipping costs.

Therefore, they built a road.

Just like the runways, this road is made from compacted snow and stretches 995 miles from McMurdo station to the south pole.

Using this south pole traverse, the United States Antarctic program runs convoys of tractors pulling sleds of cargo across the ice and snow.

This trip takes about 40 days one way, but it still is significantly cheaper than flights and can handle cargo too large to fit in an LC -130 cargo plane.

Of course, Antarctica is still Antarctica, one of the harshest climates in the world.

Whenever a plane leaves from New Zealand or South Africa or Chile to Antarctica, it's required to take enough fuel to fly all the way to its destination,

attempt landing, and fly back to its origin if landing is not possible.

Planes fail, equipment breaks, and weather changes, so Antarctica just isn't a place conducive to reliability.

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For this reason, planes are prohibited from landing or taking off in the dark and of course, in the winter in Antarctica, it's dark for 24 hours a day.

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Therefore, for seven months out of the year, there are no planes, no boats, no link at all between Antarctica and the rest of the world.

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The lack of transport links during the winter have as much to do with the cold as the dark.

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At McMurdo Station, where most ships dock on the coast, the winter temperature rarely rises above zero degrees Fahrenheit, meaning that the coast is blocked with sea ice.

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And meanwhile, at the South Pole Station, the average July high temperature is negative of 67 degrees Fahrenheit, meaning that if any plane landed there,

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its fuel would freeze within minutes.

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Of course, the large bases, like McMurdo Station, which balloons to well over 1 ,000 residents in the summer,

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need maintenance over the winter and some science experiments need to be conducted year -round, so people have to stay in Antarctica, alone, in the dark, for the entire winter,

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with no link to the outside world.

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In recent years there has been a small number of exceptions to this lack of flights in winter, winter, mostly due to medical evacuation flights, but for the most part, once the last plane leaves in February,

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everyone still in Antarctica is stuck there until the following November.

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All food, fuel, and supplies are stocked there well before and a small number of people, 45 in the case of the South Pole Station, stick around to keep the bases running.

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In a sense, the people who stay the winter in Antarctica are even more isolated than the astronauts on the International Space Station.

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There are few places humans can go where they are seven months away from medical care, from food, from civilization.

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Those living and working on the last continent endure some of the harshest conditions on this earth, but for the pursuit of science, all this hardship, all this work,

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and all this cost is worth it.

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If you want to live and work in Antarctica, your best shot to get there is if you're a scientist.

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In particular, a lot of those working there are astronomers

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and the best place to get a basic understanding of astronomy is Brilliant .org.

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Brilliant's interactive quizzes teach you by developing your intuition, not by rote memorization.

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With their straightforward explanations and simple graphics you really learn a lot quickly.

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I usually have a blast while taking Brilliant courses, they're designed to be interesting, and in this astronomy course you can learn things like how to measure the size of the universe,

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if life on other planets is possible, and how everything on earth is actually made of old stars.

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By going to brilliant .org slash Wendover you can get started for free and then, by being one of the first 97 people to upgrade to the premium subscription,

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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C1レベルのスピーキングレッスンは、動画「The Logistics of Living in Antarctica」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：Antarctica, ice, plane, snow, station。この動画には、シャドーイング用の文が124文、単語が2026語あります。音声の長さは11:57です。話す速さは1分あたり約169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

動画の中で特に難しい単語15語を、発音と意味つきで紹介します。

単語	発音	意味
continent 名詞	/ˈkɑntɪnənt/	大陸
runway 名詞	/ˈɹʌnweɪ/	ランウエー
isolate 動詞	/ˈaɪ.sə.leɪt/	切り離す, 隔絶する
logistics 名詞	/ləˈd͡ʒɪstɪks/	物流, 運送
astronomer 名詞	/əˈstɹɒn.ə.mə/	天文学者
desolate 形容詞	/ˈdɛs.ə.lət/	荒れた, 寂れた
astronomy 名詞	/əˈstɹɑ.nə.mi/	天文学
sovereignty 名詞	/ˈsɑv(ə)ɹənti/	主権
territorial 形容詞	/ˌtɛɹ.əˈtɔɹ.i.əl/	領土
subscription 名詞	/səbˈskɹɪpʃən/	定期購読, 購読
anomaly 名詞	/əˈnɑ.mə.li/	例外
intercontinental 形容詞	/ˌɪn.tɚ.kɑn.tɪˈnɛn.təl/	大陸間
landmass 名詞	/ˈlænd.mæs/	陸地
memorization 名詞	/ˈmem(ə)ɹaɪˌzeɪʃn̩/	暗記
renunciation 名詞		放棄, 棄却

動画に出てくる句動詞

単語	意味
get off 動詞	降りる
take off 動詞	脱ぐ

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	was made · is covered · are not recognized
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 made · has helped · have compacted
関係詞節 who / which + 節 — 人や物について情報を加える	explosions which has · people who stay

注意したい発音

話し手はdoesn't, didn't, don'tなど、短縮形や弱形を8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: elevation /ˌɛlɪˈveɪʃn̩/, subscription /səbˈskɹɪpʃən/, memorization /ˈmem(ə)ɹaɪˌzeɪʃn̩/, intuition /ˌɪn.tjuːˈɪʃ.ən/, hardship /ˈhɑɹdˌʃɪp/
長い単語（アクセントの位置に注意）: astronomer /əˈstɹɒn.ə.mə/, astronomy /əˈstɹɑ.nə.mi/, sovereignty /ˈsɑv(ə)ɹənti/, territorial /ˌtɛɹ.əˈtɔɹ.i.əl/, anomaly /əˈnɑ.mə.li/

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。continent, runway, isolate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: The Logistics of Living in Antarctica - 動画で英語スピーキングを学ぶ

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