शैडोइंग अभ्यास: What's the tallest skyscraper anyone can build? - वीडियो के साथ अंग्रेजी बोलना सीखें

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89 वाक्य
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1
Hi, it's Doug.
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Have you ever played the game Jenga?
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Some people are able to build some pretty tall towers.
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Like, check out this, the world record.
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This person piled 485 blocks on one single Jenga block.
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That's some amazing balancing skills.
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Someone named Ashley has a question about building things.
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Let's give Ashley a call now.
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Hi, Doug.
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Hi, Ashley.
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I have a question for you.
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What's the tallest skyscraper anyone can build?
13
Oh, that's a great question.
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Humans have been trying to build super tall things for a long time.
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Before skyscrapers were invented, pyramids were the tallest objects built on Earth.
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Take a look at this one.
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It's called the Great Pyramid of Giza.
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Builders stacked over 2 million heavy stone blocks to make it that high.
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The pyramid was the tallest human -made thing on Earth for almost 4 ,000 years until this came along.
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This is the Lincoln Cathedral, and it was once over 500 feet tall.
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But then something happened.
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If you've ever built a tower with blocks, you've probably noticed that the taller you build, the harder it gets.
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And that's what happened to the Lincoln Cathedral.
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The tallest part toppled over during a storm.
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It was just too tall.
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When it was built, people just couldn't build things that were very tall yet.
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Before I go on, I'm curious.
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Why couldn't those earlier pyramids and cathedrals be built as high as skyscrapers are today?
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What do you think?
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Now would be a good time to pause the video and discuss.
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Okay, you ready?
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Well, I'm not sure how you answered, but you might think that the earlier buildings weren't made of very strong materials.
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But that's not really what's most important.
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Bricks and stone blocks are incredibly strong.
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It turns out it's the piling up of bricks or stone blocks that creates the problem.
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You see, buildings back then were made by piling bricks or stones on top of each other.
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The taller the building, the more bricks they would use.
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And the more bricks they would use, the heavier the building would get.
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If it got too heavy, it could collapse from its own weight, or it could topple over.
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So the piling up of bricks or stone blocks is what kept people from making really tall buildings.
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Since then, we've figured out how to build even taller buildings, buildings that are way taller than the first pyramids and cathedrals,
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buildings that seem to scrape the sky.
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These buildings, called skyscrapers, are now the tallest human -made objects on Earth, and they don't fall down.
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How is that even possible?
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Well, building a skyscraper involves a totally different way of creating a building.
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Rather than stacking up building blocks, the way they did with pyramids, or the way you do in Jenga,
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it involves giving the building a skeleton or structure on the inside.
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This new way of building led to the first ever skyscraper, the Home Insurance Building in Chicago.
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Instead of building with piled up bricks, it was built with a steel skeleton.
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And since the skeleton was holding the building up, the rest of the building, like walls and windows, could be hung on the steel beams,
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like pictures hang on walls.
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And since those walls didn't need to be made out of piled up bricks anymore, they could be really light.
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At least much less heavy than building materials of the past.
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This changed everything.
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By building with steel skeletons instead of heavy bricks, builders could build taller than ever.
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Now, even with a skeleton, there was another thing that could knock it over.
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Wind.
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A skyscraper is like a giant sail.
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The taller it is, the more wind pushes into it, and those winds can actually knock a skyscraper down.
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So skyscraper builders are constantly trying to find ways to get around this problem, like the builders of this skyscraper did.
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This is one of the tallest skyscrapers in the world.
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You see the shape of the sides?
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Why do you think they built it this way?
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It's all because of the wind.
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The spiral shape helps the wind twist around it instead of crashing into it.
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And take a look at this one.
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You notice the top?
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Some Some skyscrapers are even built with holes in them so that the wind blows straight through.
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Now by inventing new ways to trick the wind,
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we've been able to build from 88 floors to 101 floors to the tallest skyscraper in the world, currently the Burj Khalifa.
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It's 163 floors tall.
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And that brings us back to our question.
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How tall can a skyscraper be?
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Well, no one really knows for sure how tall, but we are sure of this.
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We can build a lot higher than the skyscrapers we have today.
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In fact, builders in Japan are planning to build a skyscraper that's one mile tall.
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It's called the Sky Mile Tower, and when it's finished, it will be more than 10 times the height of the Great Pyramid of Giza.
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That's twice as tall as the tallest skyscraper we have now.
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That's all for this week's question.
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Thanks Ashley for asking it.
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Now with Valentine's Day coming up, I picked out three questions from the question jar that all have something to do with the heart.
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When this video is done playing, you'll get to vote on one.
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You can choose from, does your heart grow?
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Which animal has the biggest heart?
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Or what's inside your heart?
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So submit your vote when the video's over.
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I want to hear from all of you watching.
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There are mysteries all around us.
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Stay curious and see you next week.

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अनुशंसित वीडियो

इस पाठ की शब्दावली और बोलने के सुझाव

यह स्पीकिंग पाठ वीडियो “What's the tallest skyscraper anyone can build?” पर आधारित है। सबसे ज़्यादा दोहराए गए शब्द ये हैं: skyscraper, tall, build, bricks, tallest। इस वीडियो में शैडोइंग के लिए 72 वाक्य और 945 शब्द हैं। बोला गया हिस्सा 6:02 लंबा है। वक्ता लगभग 157 शब्द प्रति मिनट की स्वाभाविक गति से बोलता है, जो रोज़मर्रा की बातचीत के करीब है। 83% शब्द अंग्रेज़ी के 3,000 सबसे आम शब्दों में से हैं; बाकी शब्द अभ्यास से पहले देख लेना अच्छा रहेगा।

इस वीडियो की मुख्य शब्दावली

वीडियो के 15 सीखने लायक शब्द, उच्चारण और अर्थ के साथ:

शब्दउच्चारणअर्थ
brick संज्ञा/ˈbɹɪk/ईंट, ख़िश्त
pyramid संज्ञा/ˈpɪɹ.ə.mɪd/पिरमिड, पिरामिड
builder संज्ञा/ˈbɪl.dəɹ/निर्माता, राजगीर
skeleton संज्ञा/ˈskɛlətən/कंकाल
curious विशेषण/ˈkjʊɹ.i.əs/उत्सुक, जिज्ञासु
knock क्रिया/nɑk/खटखटाना
stack संज्ञा/stæk/धुआँरा
cathedral संज्ञा/kəˈθiːdɹəl/कैथेड्रल
trick संज्ञा/ˈtɹɪk/चाल
mystery संज्ञा/ˈmɪs.t(ə.)ɹi/रहस्य, राज़
skill संज्ञा/skɪl/कुशलता, कौशल
twist क्रिया/twɪst/मोड़ना, मरोड़ना
collapse क्रिया/kəˈlæps/गिरना
sail संज्ञा/seɪl/पाल
spiral संज्ञा/ˈspaɪɹəl/सर्पिल

वीडियो में आने वाली फ़्रेज़ल वर्ब

शब्दउच्चारणअर्थ
come along क्रियासाथ चलना, साथ आना
fall down क्रिया/fɔl ˈdaʊn/गिरना, ध्वंस
pick out क्रियाबाछना

दोहराने लायक वाक्य

वीडियो के छोटे, पूरे वाक्य जिन्हें आप रोज़ की बातचीत में इस्तेमाल कर सकते हैं:

  • What's the tallest skyscraper anyone can build?
  • What do you think?
  • You see the shape of the sides?
  • Why do you think they built it this way?
  • You notice the top?

इस वीडियो का व्याकरण

वक्ता जिन संरचनाओं का सबसे अधिक प्रयोग करता है, वीडियो के असली शब्दों के साथ:

संरचनावीडियो में
Passive voice be + past participle — ज़ोर इस पर कि क्या होता है, न कि कौन करता हैwere invented · was built · be built
Present perfect have/has + past participle — बीता हुआ काम जिसका असर अभी भी हैHave you ever played · you've ever built · we've figured
Superlatives the -est / the most … — समूह में सबसे ऊपर या नीचेthe tallest · the biggest
Comparatives -er than / more … than — दो चीज़ों की तुलनाtaller than · less heavy than · higher than

ध्यान देने योग्य उच्चारण

वक्ता 13 बार संक्षिप्त रूपों का प्रयोग करता है, जैसे couldn't, I'm, we've। इन्हें वैसे ही छोटा बोलें जैसा आप सुनते हैं।

हिंदी भाषियों के लिए मुश्किल ध्वनियाँ:

  • /v/ और /w/ का फ़र्क़ — /v/ में ऊपर के दाँत निचले होंठ को छूते हैं, /w/ में होंठ गोल होते हैं: involve /ɪnˈvɑlv/, invent /ɪnˈvɛnt/, twist /twɪst/
  • शब्द की शुरुआत में s + व्यंजन — पहले “इ” न जोड़ें: skeleton /ˈskɛlətən/, stack /stæk/, skill /skɪl/, spiral /ˈspaɪɹəl/, skyscraper /ˈskaɪˌskɹeɪpɚ/
  • /æ/ — “ऐ” से ज़्यादा खुला: stack /stæk/, collapse /kəˈlæps/

इस वीडियो से अभ्यास कैसे करें

  1. पहले बिना बोले पूरा वीडियो एक बार सुनें और जो शब्द नहीं आते उन्हें लिख लें।
  2. 0.75× गति से शुरू करें, एक-एक वाक्य की शैडोइंग करें, और सहज लगने पर सामान्य गति पर लौटें।
  3. अपनी आवाज़ रिकॉर्ड करें और मूल से तुलना करें, ख़ासकर brick, pyramid, builder जैसे शब्दों पर ध्यान दें।

शैडोइंग तकनीक क्या है?

शैडोइंग (Shadowing) एक विज्ञान-समर्थित भाषा सीखने की तकनीक है जो मूल रूप से पेशेवर दुभाषिया प्रशिक्षण के लिए विकसित की गई थी। विधि सरल लेकिन शक्तिशाली है: आप मूल अंग्रेज़ी ऑडियो सुनते हैं और तुरंत इसे ज़ोर से दोहराते हैं — जैसे वक्ता की छाया 1-2 सेकंड की देरी से। शोध से पता चलता है कि यह उच्चारण सटीकता, स्वर, लय, जुड़ी हुई ध्वनियाँ, सुनने की समझ और बोलने की प्रवाहशीलता में काफ़ी सुधार करता है।

शैडोइंग तकनीक: पूरी चरण-दर-चरण गाइड पढ़ें →