تدريب Shadowing: How China is Turning its Deserts Green - تعلم التحدث بالإنجليزية عبر الفيديو
جارٍ إنشاء الدرس...
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Beijing 2021.
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Hundreds of flights were cancelled as an apocalyptic orange haze swept the skies.
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This wasn't pollution, it was sand.
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It was a symptom, a consequence of decades of land collapse.
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But China is fighting back with an ambitious project spanning decades known as the Great Green Wall.
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This is the Gobi Desert region in northern China and this is their attempt at turning it green.
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And I say attempt because it's not all going to plan.
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In some areas, the project is failing.
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Trees are dying, soil is drying out and the land is collapsing again.
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But what makes this story so insane is that China isn't just planting a few trees.
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They're attempting one of the largest greening projects in human history.
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A project that began in 1978 and won't be finished until 2050.
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But how do you even fight a desert?
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How do you stop sand from swallowing farmland and cities?
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And how did one of the most ambitious environmental projects ever attempted start to go wrong?
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If China gets this right, it could become the blueprint for saving dry lands everywhere.
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But if they get it wrong, they don't just lose trees, they lose the land itself.
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To understand why China is doing this, you have to understand what desertification actually means.
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Deserts don't expand like people imagine.
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It's not like a line of sand slowly rolling forward.
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It starts with something much smaller.
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A patch of grassland gets overgrazed.
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A hillside gets farmed too hard.
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A drought hits or trees get cut for fuel.
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Once the vegetation disappears, the ground loses its armour.
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The roots of plants stitch the soil together, so when those roots vanish, the soil stops behaving like ground and starts behaving like dust.
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Then the wind arrives, and suddenly the land doesn't just dry out, it literally begins to leave.
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Then, when rain falls, it doesn't soak in.
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It hits hard ground, floods and then tears away even more soil.
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And once that cycle begins, it accelerates.
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Simply explained, that's how deserts formed, and in northern China, it became a national crisis.
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The Gobi Desert, stretching across northern China and southern Mongolia, sits right on the edge of major population and farming regions.
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In the late 1990s and early 2000s, huge dust storms repeatedly swept into northern China.
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And as you saw earlier, Beijing, a city with a population of about 22 million people,
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would literally disappear behind a wall of yellow sky.
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This wasn't weather, it was farmland disintegrating.
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If you're a government watching your land literally blow away, you don't have time to wait.
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And it's fair to say China's response was very ambitious.
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In 1978, China launched a project called the Free Northern Shelter Belt Program, but most people know it by its nickname, China's Great Green Wall.
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And it's genuinely one of the most ambitious environmental projects in human history.
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The goal was to build massive belts of trees and vegetation across northern China, covering the northeast, the northwest and the north central regions.
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It spans 13 provinces and it's planned to run until 2050.
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That's a 72 year plan, 7 years shorter than the average life expectancy in China.
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The theory behind it is quite simple.
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If you want to stop a desert, you don't fight sand, you fight wind.
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Because the wind is what turns land into dust.
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These shelter belts act like giant windbreaks.
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Long corridors of trees and shrubs that slow the wind near the ground, trap sand and protect farmland.
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Even a thin layer of vegetation can massively reduce erosion.
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So China planted, and planted, and planted.
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The estimates vary, but some reports say 50 billion trees have been planted, with others speculating that number could be as high as 100 billion.
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And for a while, it looked like the plan was working.
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China's forest cover increased significantly compared to the 20th century lows, and by Despite the modern era,
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China is often reported as being over 20% forested.
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So the project was a success then?
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Well, not exactly.
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Because a forest isn't just a row of trees, it's an ecosystem.
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Planting trees is easy, but planting the right trees in the right places without destroying the ecosystem underneath is much harder.
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And as you're about to find out, in some regions, China got this wrong, very wrong.
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wrong that a billion trees died.
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But first we need to discuss one of their successful transformations.
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The Lus Plateau is an example of one of the most incredible transformations on Earth.
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The region was once described as one of the most severely eroded landscapes on the planet and it's easy to see why.
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The Lus Plateau is made of Lusse, a fine powdery soil deposited over thousands of years by wind.
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It's extremely fertile, but only if it stays in place.
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Once vegetation is removed, Lusse erodes ridiculously fast.
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Over centuries, huge areas were cleared for farming and grazing, and the result was catastrophic.
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Rain ripped through the soil like a knife carving enormous canyons.
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And the soil didn't disappear, it ended up in China's rivers, especially the Yellow River.
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It became famous for carrying so much sediment that it actually turned a yellowy browny colour.
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People were trapped in a cycle, they needed to farm to survive, but farming destroyed the soil which made survival even harder.
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So China attempted to rebuild the system.
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They banned farming on the steepest slopes, They restricted grazing in key areas.
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They built terraces across hillsides,
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not for aesthetics, but because terraces slow rainwater down letting it soak into the ground instead of ripping the soil away.
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They built check dams to trap sediment.
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They weren't just stopping erosion, they were literally catching the land before it could escape.
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Slowly the landscape began to rebuild itself.
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Grass returned first, then shrubs, then trees.
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World Bank reporting
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and widely cited project summaries have described vegetation cover in the parts of the Luspe Plateau rising from around 17% to 34%.
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The improvement wasn't just environmental either, the social impact was huge.
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Figures often cited estimate 2.5 million people have been lifted out of poverty through the combined ecological and economic transformation.
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The restoration didn't finish with stopping erosion, it also changed what the land could be used for.
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Because today, in parts of northern China, you can now see huge solar farms built on areas that used to be barren and collapsing.
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Land that once blew away in dust storms is now stable enough to generate electricity.
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This project showed that planting trees alone isn't enough, you have to fix the physics of the land.
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A lesson which unfortunately China skipped in some places.
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A mistake which nearly ruined everything.
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Here's the problem.
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If you want a desert to look green quickly, you don't plant a complex ecosystem.
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You plant monocultures, one species, straight lines and fast growing trees.
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They look impressive and they grow fast, making it feel like you're winning.
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However, monocultures are fragile.
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If one disease hits, the entire forest is vulnerable.
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In the year 2000, massive poplar plantations in northern China suffered devastating losses due to disease and pests,
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with some reports claiming losses on the scale of hundreds of millions to over a billion trees.
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That's not a setback, that's a collapse.
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But disease wasn't even the biggest problem.
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The biggest problem was water.
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Many of the areas being planted were never meant to hold dense forests, they were dry lands.
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So when you plant thirsty trees into dry soil, you essentially drain the land.
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Native grasses die, the roots vanish, the soil becomes loose again, and you know by now what happens next.
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In other words, planting trees didn't stop the desert, it made the land even weaker.
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That's why over time China began changing strategy towards something much smarter.
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The final part of this story is so important because it's not just about China, but the future of our planet.
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China realised the goal isn't to destroy the desert, the goal is to stop living land, grasslands, farms and villages from collapsing into dust.
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So instead of focusing on trees, they focused on shrubs, hardy grasses and native drought resistant species.
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One of the simplest methods they used is also one of the smartest, straw checkerboards.
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You literally lay straw in a grid across sand dunes.
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The wind hits the straw, slows down and drops sand.
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The dune stabilises, the shrubs can survive, the grasses return and the soil begins forming again.
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Then, and only then, do trees have a chance.
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It's simple really.
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Slow the wind, catch the sand, hold moisture, and build life from the ground up.
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And that's how parts of China's desert regions have become greener over time.
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China's project proves that the earth isn't fixed.
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Landscapes aren't permanent.
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We assume deserts are forever, but deserts expand and retreat.
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Grasslands collapse and rebuild, and humans are actively shaping in which direction those systems go,
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which is equally hopeful, but also terrifying.
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Because if we can reverse land collapse at this scale, we can also cause it.
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And our future depends on which one we choose.
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If you've enjoyed this video, I'd really appreciate it if you could hit the subscribe button.
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And I'm sure you'll enjoy one of these other two videos on screen now.
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المفردات وملاحظات التحدث لهذا الدرس
هذا الدرس في المحادثة بمستوى B2 مبني على الفيديو “How China is Turning its Deserts Green”. أكثر الكلمات تكرارًا في الفيديو: China, trees, land, desert, soil. يحتوي هذا الفيديو على 125 جملة و1543 كلمة للتدرب على الترديد. مدة الكلام 10:51. يتكلم المتحدث بسرعة ثابتة، نحو 142 كلمة في الدقيقة، وهي سرعة مريحة للترديد. 77% فقط من الكلمات ضمن أكثر 3,000 كلمة شيوعًا في الإنجليزية، فالمفردات صعبة نسبيًا.
أهم المفردات في هذا الفيديو
أصعب 15 كلمة في الفيديو، مع النطق والمعنى:
| الكلمة | النطق | المعنى |
|---|---|---|
| collapse فعل | /kəˈlæps/ | اِنْهَار |
| vegetation اسم | /ˌvɛd͡ʒəˈteɪʃən/ | خُضْرَة, عَشَابَة |
| shrub اسم | /ˈʃɹʌb/ | شُجَيْرَة |
| ambitious صفة | /æmˈbɪʃ.əs/ | طَمُوح |
| farmland اسم | /ˈfɑːɹmlænd/ | أَرْض زِرَاعِيَّة |
| grassland اسم | مَرْعَى | |
| ecosystem اسم | /ˈikoʊˌsɪstəm/ | نِظَام بِيئِي |
| straw اسم | /stɹɔ/ | قَشّ |
| disappear فعل | /dɪsəˈpɪɹ/ | اِخْتَفَى |
| dune اسم | /djuːn/ | كَثِيب, غُرْد |
| graze فعل | /ɡɹeɪz/ | رَعَى |
| sediment اسم | /ˈsɛd.ɪ.mənt/ | رَاسِب |
| vanish فعل | /ˈvænɪʃ/ | اِحْتَجَبَ, إخْتَفَى |
| soak فعل | /soʊk/ | اِبْتَلَّ |
| drought اسم | /ˈdɹaʊ̯t/ | جَفَاف |
القواعد في هذا الفيديو
أكثر التراكيب التي يستخدمها المتحدث، مع العبارات نفسها من الفيديو:
| التركيب | في الفيديو |
|---|---|
| المبني للمجهول be + اسم المفعول — التركيز على ما يحدث لا على من يفعله | were cancelled · won't be finished · have been planted |
| المضارع التام have/has + اسم المفعول — حدث ماضٍ ما زال له أثر الآن | have been planted · have described · have been lifted |
نطق يحتاج إلى انتباه
يستخدم المتحدث 30 من الصيغ المختصرة، مثل don't, isn't, wasn't. انطقها بصيغتها القصيرة كما تسمعها.
- أصوات “th”: aesthetics /ɛsˈθɛt.ɪks/, thirsty /ˈθɝs.ti/, northeast /noːˈθɪjst/, underneath /ˌʌndɚˈniθ/, northwest /nɔɹθˈwɛst/
- أصوات “sh” و“zh”: vegetation /ˌvɛd͡ʒəˈteɪʃən/, shrub /ˈʃɹʌb/, ambitious /æmˈbɪʃ.əs/, erosion /ɪˈɹəʊʒən/, vanish /ˈvænɪʃ/
- الكلمات الطويلة — انتبه لموضع النبر: vegetation /ˌvɛd͡ʒəˈteɪʃən/, ecosystem /ˈikoʊˌsɪstəm/, monoculture /ˈmɒnəˌkʌlt͡ʃə(ɹ)/, apocalyptic /əˈpɒ.kə.lɪp.tɪk/, desertification /dɪˌzɝ.tɪ.fɪˈkeɪ.ʃən/
أصوات يجدها متحدثو العربية صعبة:
- /p/ — ليس /b/: انطقه مع نفخة هواء: collapse /kəˈlæps/, disappear /dɪsəˈpɪɹ/, sweep /swiːp/, span /spæn/, apocalyptic /əˈpɒ.kə.lɪp.tɪk/
- /v/ — ليس /f/: مع اهتزاز الأوتار الصوتية: vegetation /ˌvɛd͡ʒəˈteɪʃən/, vanish /ˈvænɪʃ/, behave /bɪˈheɪv/, devastate /ˈdɛv.ə.steɪt/, massively /ˈmæs.ɪv.li/
- تتابع الصوامت — لا تضف حركة بينها: collapse /kəˈlæps/, shrub /ˈʃɹʌb/, farmland /ˈfɑːɹmlænd/, rebuild /ɹiːˈbɪld/, straw /stɹɔ/
كيف تتدرب بهذا الفيديو
- استمع إلى الفيديو كاملًا مرة واحدة دون أن تتكلم، ودوّن الكلمات التي لا تعرفها.
- ردّد جملة جملة بالسرعة العادية، وكرّر كل جملة حتى يتطابق إيقاعك مع المتحدث.
- سجّل صوتك وقارنه بالأصل، مع الانتباه إلى كلمات مثل collapse, vegetation, shrub.
ما هي تقنية التظليل الصوتي؟
التظليل الصوتي (Shadowing) تقنية تعلم لغة مدعومة علمياً، طُورت أصلاً لتدريب المترجمين الفوريين المحترفين. الطريقة بسيطة لكنها قوية: تستمع لصوت إنجليزي أصلي وتكرره فوراً بصوت عالٍ — كظل يتبع المتحدث بتأخير 1-2 ثانية. تُظهر الأبحاث تحسناً كبيراً في دقة النطق والتنغيم والإيقاع وربط الأصوات والاستماع والطلاقة.