쉐도잉 연습: How China Built a Dam So Big It Slowed Down Planet Earth - 영상으로 영어 말하기 배우기

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One morning, NASA scientists were sipping their coffee when they spotted something bizarre on their screens.

The entire Earth had slowed down.

Was it aliens or an asteroid?

Nope.

The culprit was engineers in China.

They built such a wild dam across the unruly Yangtze River,

piling so much water in one spot that our planet tilted and slowed down like someone carrying a heavy grocery bag.

How did engineers mess with Earth's settings?

Let's rewind to the beginning.

Long before concrete or electricity existed, this story began with Asia's longest waterway, the mighty Yangtze River.

Stretching 6 ,300 kilometers from freezing

Tibetan glaciers down to the sea, its fertile banks fed Chinese dynasties for millennia.

Yet, this generous lifeline had a nasty temper.

Every summer, monsoon rains transformed the river into a runaway monster that swallowed farms and wiped whole towns off the map.

4 ,000 years ago, legendary rulers like

Yu the Great spent their entire lives digging dirt channels just to calm the river down.

Yet, the Yangtze always struck back harder.

In 1931 alone, relentless storms pushed the river over its banks, drowning an area the size of England.

Millions lost their homes overnight, proving that mud levees and sandbags were no match for nature's fury.

Back in 1919, revolutionary leader

Sun Yat -sen stared at a narrow stretch of steep canyons called the Three Gorges and pitched an audacious idea,

plug that rocky bottleneck with a dam to stop floods and generate electricity.

Decades later in the 1950s, Mao Zedong swam across the Yangtze himself and wrote poems about stone walls holding back clouds,

yet wars and poverty kept the dream on paper.

Engineers also had terrifying reasons to think twice before blocking

China's biggest river.

In 1975, a super typhoon slammed central

China and burst a smaller Bangqiao Dam, sending a wall of water through villages and claiming over 100 ,000 lives.

Critics warned that building a far larger reservoir on the main Yangtze could become an unthinkable trap if war,

earthquakes, or bad math ever cracked it open.

For 40 noisy years, geologists, ecologists, and politicians argued over blueprints while testing every cliff along the canyon.

Finally, in 1992, China's parliament put the Three Gorges project to a vote,

sparking a rare rebellion where nearly one -third of all delegates refused to say yes.

Even with tempers flaring, the government approved the plan.

And in 1994, 40 ,000 workers marched then to reshape geography.

Right out of the gate, builders faced a comical physics headache.

How do you pour wet concrete into the middle of a roaring river without watching it wash straight into the ocean.

Since nobody could politely ask the Yangtze to take a weekend break, crews blasted an open bypass channel along one shore,

forcing the river to detour around the main construction zone.

Next came an around -the -clock battle of brute force.

Until November 1997, fleets of dump trucks hurled house -sized granite boulders into the churning water,

pinching the river shut between two temporary stone walls called cofferdams.

Giant pumps then sucked the trapped lagoon completely dry allowing engineers

and muddy boots to walk across an ancient riverbed

that hadn't seen sunlight in millions of years on

that bare granite floor rose an absolute beast of engineering a solid gravity dam stretching 2 .3 kilometers wide

and standing 185 meters tall instead of curving like a thin arch braced against canyon cliffs

this wall relies on sheer stubborn weight to stand its ground packing 28 million cubic meters of concrete

and enough structural steel to build 63 Eiffel Towers.

Stacking that much wet cement created a sneaky chemical trap.

As concrete hardens, internal reactions heated up like an oven to 50 degrees Celsius.

Left alone, the core would take decades to cool and shatter like a hot glass dunked in cold water.

So engineers blasted crushed rock with icy air before mixing, then threaded miles of cold water pipe straight through the wall like an industrial fridge.

Of course, China didn't spend over $30 billion just to build an oversized garden fence.

The real magic hides deep inside the dam's hollow halls.

Workers lowered 32 enormous Francis turbines into place, each weighing hundreds of tons and wide enough to swallow a city bus.

When plunging river water slams into those curved steel blades, raw gravity turns directly into clean electricity.

Spinning together at peak flow, those 32 generators crank out 22 ,500 megawatts,

matching the muscle of 22 nuclear power plants running side by side.

Ultra -high voltage cables carry that surge over 1 ,000 kilometers east to keep neon -lit megacities like

Shanghai humming day and night, sparing the sky tens of millions of tons of smoky coal exhaust every single year.

Blocking China's busiest shipping lane, however, created an awkward traffic jam.

How do 10 ,000 ton cargo freighters climb over a concrete wall as tall as a 50 -story skyscraper?

Engineers answered by blasting a double five -level lock system straight out of solid granite mountainsides.

Ships sail into chamber after chamber as towering steel gates swing shut, and rising water floats them upstairs over the dam.

Climbing all five water steps takes roughly four hours which felt painfully slow for passenger ferries and urgent deliveries

so in 2016 engineers unveiled something straight out of an animated sci -fi movie

the world's largest ship elevator vessels weighing up to 3 000 tons float into a water -filled steel basin

and thick cables hoist boat crew and water 113 meters vertically in 40 minutes

While ships rode elevators up front, closing the floodgates quietly drowned an entire world upstream.

As water climbed to 175 meters above sea level, a narrow canyon morphed into a 600 -kilometer artificial lake.

Slowly disappearing beneath the murky green surface were 13 full -size cities, 140 towns, 1 ,300 villages,

fertile orange groves, and cliffside temples carved 2 ,000 years ago.

Before the waves rolled in, nearly 1 .4 million citizens had to pack their lives into cardboard boxes, watch demolition crews flatten their childhood neighborhoods,

and move into brand new concrete towns higher up the hills.

Meanwhile, cleanup teams raced furiously to empty more than 1 ,600 old factories, mines, and landfills sitting on the valley floor,

before rising water turned the reservoir into chemical soup.

When the reservoir finally topped out, 39 billion tons of water sat suspended high above sea level,

bringing us right back to those spilled coffees at NASA.

By lifting so much weight away from Earth's core, China triggered the exact physics of a spinning figure skater opening their arms.

Our planet's rotation slowed, lengthening every day by 0 .06 microseconds and nudging

Earth's axis 2 centimeters.

Down beneath China's feet, parking 39 billion tons of liquid over ancient rock fractures came with serious side effects.

Thousands of small tremors rattled nearby fault lines, while soggy canyon cliffs began sliding into the water.

At the same time, the wall traps millions of tons of fertile mud each year, starving downstream wetlands and pushing rare Yangtze wildlife,

like the smiling finless porpoise dangerously close to vanishing.

A few years ago, internet rumors exploded when a warped satellite picture went viral,

making the straight dam look bent like a soft noodle ready to snap.

Space agencies quickly explained it was just a glitchy photo -stitching error from a passing satellite, not bending concrete.

Months later in 2020, record monsoon floods slammed the reservoir at 75 million liters per second, and the wall held firm.

Today, wild climate swings test this giant from both extremes, forcing operators to hold back angry summer floods one year,

then ration precious water during blistering droughts the next.

Over a century after it started as a daydream on a map, the Three Gorges Dam stands as humanity's boldest gamble with Mother Nature.

A structure big enough to power megacities, swallow ancient history, and literally slow down planet Earth.

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이 레슨의 어휘와 말하기 포인트

이 말하기 레슨은 영상 “How China Built a Dam So Big It Slowed Down Planet Earth”을(를) 바탕으로 합니다. 가장 자주 반복되는 단어는 다음과 같습니다: river, wall, Yangtze, dam, ton. 이 영상에는 섀도잉할 문장 94개와 단어 1271개가 있습니다. 말하는 구간의 길이는 8:16입니다. 화자는 분당 약 154단어로, 일상 대화에 가까운 자연스러운 속도로 말합니다. 영어에서 가장 많이 쓰이는 3,000단어에 속하는 단어가 64%뿐이라 어휘가 어려운 편입니다.

이 영상의 핵심 어휘

영상에 나오는 익혀 둘 만한 단어 15개를 발음, 뜻과 함께 정리했습니다.

단어	발음	뜻
ton 명사	/tʌn/	톤
trap 명사	/tɹæp/	덫, 올가미
meter 명사	/ˈmitəɹ/	계량기
canyon 명사	/ˈkænjən/	협곡
reservoir 명사	/ˈɹɛz.ə(ɹ).vwɑɹ/	저수지
stretch 동사	/stɹɛt͡ʃ/	당기다, 늘이다
flood 명사	/flʌd/	한물, 홍수
climb 동사	/ˈklaɪ̯m/	오르다
cliff 명사	/klɪf/	절벽, 벼랑
granite 명사	/ˈɡɹæn.ɪt/	화강암
fertile 형용사	/ˈfɝːtəl/	걸다, 비옥(肥沃)하다
chamber 명사	/ˈt͡ʃeɪ̯mbɚ/	침실
gate 명사	/ˈɡeɪ̯t/	문, 대문
narrow 형용사	/ˈnæɹəʊ/	좁은, 좁다
physics 명사	/ˈfɪz.ɪks/	물리학, 물리

주의할 발음

“th” 소리: beneath /bɪˈniːθ/, thin /ˈθɪn/, thick /θɪk/, mathematics /mæθ(.ə)ˈmæt.ɪks/
“sh”와 “zh” 소리: shore /ʃɔɹ/, artificial /ˌɑː.tɪˈfɪʃ.əl/, structural /ˈstɹʌk(t͡)ʃəɹəl/, crush /kɹʌʃ/, revolutionary /ˌɹɛvəˈluʃənɛɹi/
긴 단어 — 강세 위치에 주의: electricity /ɪˌlɛkˈtɹɪsɪti/, temporary /ˈtɛmp(əˌɹ)ɛɹi/, operator /ˈɑpəˌɹeɪtɚ/, artificial /ˌɑː.tɪˈfɪʃ.əl/, legendary /ˈlɛd͡ʒ.ənˌdɛɹ.i/

한국어 화자가 어려워하는 소리:

/f/ — ㅍ(/p/)으로 바꾸지 말고 윗니를 아랫입술에 대기: flood /flʌd/, cliff /klɪf/, fertile /ˈfɝːtəl/, physics /ˈfɪz.ɪks/, roughly /ˈɹʌf.li/
/v/ — ㅂ(/b/)과 구별하기: reservoir /ˈɹɛz.ə(ɹ).vwɑɹ/, gravity /ˈɡɹævɪti/, poverty /ˈpɑːvɚti/, vessel /ˈvɛsəl/, overnight /əʊvə(ɹ)ˈnaɪt/
/z/ — ㅈ이 아니라 성대를 울리는 /s/: reservoir /ˈɹɛz.ə(ɹ).vwɑɹ/, physics /ˈfɪz.ɪks/, freeze /ˈfɹiːz/, bizarre /bɪˈzɑː(ɹ)/, upstairs /ˌʌpˈstɛɹz/

이 영상으로 연습하는 방법

먼저 말하지 않고 영상을 끝까지 듣고 모르는 단어를 적어 둡니다.
0.75배속으로 한 문장씩 섀도잉을 시작하고, 익숙해지면 보통 속도로 돌아갑니다.
자신의 목소리를 녹음해 원본과 비교하고, ton, trap, meter 같은 단어에 특히 주의합니다.

쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법

쉐도잉(Shadowing)은 원래 전문 통역사 훈련을 위해 개발된 언어 학습 기법으로, 다언어 학자인 Dr. Alexander Arguelles에 의해 대중화된 방법입니다. 핵심 원리는 간단하지만 매우 강력합니다: 원어민의 영어를 들으면서 1~2초의 짧은 지연으로 즉시 소리 내어 따라 말하는 것——마치 '그림자(shadow)'처럼 화자를 따라가는 것입니다. 문법 공부나 수동적인 청취와 달리, 쉐도잉은 뇌와 입 근육이 동시에 실시간으로 영어를 처리하고 재현하도록 훈련합니다. 연구에 따르면 이 방법은 발음 정확도, 억양, 리듬, 연음, 청취력, 말하기 유창성을 크게 향상시킵니다. IELTS 스피킹 준비와 자연스러운 영어 소통을 원하는 분들에게 특히 효과적입니다.

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쉐도잉 연습: How China Built a Dam So Big It Slowed Down Planet Earth - 영상으로 영어 말하기 배우기

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