शैडोइंग अभ्यास: Why Do Rivers Curve? - वीडियो के साथ अंग्रेजी बोलना सीखें

अभ्यास मोड चुनें

हर मोड पूरी स्क्रीन का अभ्यास कक्ष खोलता है।

9 वाक्य
यदि वाक्य बहुत छोटे या लंबे हों, तो समायोजित करने के लिए Edit पर क्लिक करें।
1
Compared to the whitewater streams that tumble down mountainsides, the meandering rivers of the plains may seem tame and lazy. But mountain streams are corralled by the steep-walled valleys they carve – their courses are literally set in stone. Out on the open plains, those stony walls give way to soft soil, allowing rivers much more freedom to shift their banks and set their own ever-changing courses to the sea: courses that almost never run straight.
2
At least not for long, because all it takes to turn a straight stretch of river into a bendy one is a little disturbance and a lot of time  – and in nature, there’s plenty of both.
3
Say, for example, that a muskrat  burrows herself a den in one bank of a stream. Her tunnels make for a cozy home,  but they also weaken the bank, which eventually begins to crumble and slump into the stream.
4
Water rushes into the newly-formed hollow, sweeping away loose dirt and making the hollow even hollower, which lets the water rush a little faster and sweep away a little more dirt from the bank...and so on, and so on .
5
As more of the stream’s flow is diverted into the deepening hole on one bank and away from the other side of the channel, the flow there weakens and slows. And since slow-moving water can’t carry the sand-sized particles that fast-moving water can, that dirt drops to the bottom and builds up to make the water there shallower and slower, and then keeps accumulating until the edge of the stream becomes new land on the inside bank.
6
Meanwhile, the fast-moving water near the outside bank sweeps out of the curve with enough momentum to carry it across the channel and slam it into the other side, where it starts to carve another curve . And then another, and then another, and then another. The wider the stream, the longer it takes the slingshotting current to reach the other side, and the greater the downstream distance to the next curve.
7
In fact, measurements of meandering streams all over the world reveal a strikingly regular pattern : the length of one S-shaped meander tends to be about six times the width of the channel . So little tiny meandering streams tend to look just like miniature versions of their bigger relatives.
8
As long as nothing gets in the way of a river’s meandering , its curves will continue to grow curvier and curvier until they loop around and bumble into themselves. When that happens, the river follows the straighter path downhill, leaving behind a crescent-shaped remnant called an oxbow lake. Or a billabong. Or a lago en herradura. Or a bras mort ...
9
We have lots of names for these lakes, since they can occur pretty much anywhere liquid flows – which brings up an interesting question:

ऐप डाउनलोड करें

धाराप्रवाह बोलने के लिए ज़रूरी सब कुछ

AI उच्चारण स्कोरहर वाक्य का स्कोर
IPA अभ्यासहर ध्वनि में महारत
शब्दावलीअपना शब्द भंडार बनाएँ
शब्द गेमखेलते हुए सीखें
QR स्कैन करें
QR स्कैन करें
Download on theApp StoreGet it onGoogle Play

उसी चैनल से

Why Haven't We Domesticated Monkeys?B2
1

Why Haven't We Domesticated Monkeys?

Daily ConversationWorking Adults
Why Do India And China Have So Many People?B2
14

Why Do India And China Have So Many People?

Daily ConversationUniversity StudentsWorking Adults
The Heaviest Part of a Forest Is NOT What You ThinkB2
9

The Heaviest Part of a Forest Is NOT What You Think

Daily ConversationWorking Adults
Four Places We Might Find AliensC1
2

Four Places We Might Find Aliens

Daily ConversationUniversity Students
Where Did Earth's Water Come From?B2
4

Where Did Earth's Water Come From?

Daily ConversationUniversity StudentsWorking Adults
Why is it Hot Underground?C1
68

Why is it Hot Underground?

IELTS PrepTOEFL PrepUniversity Students
Why Don't Snakes Poison Themselves?C1
4

Why Don't Snakes Poison Themselves?

IELTS PrepTOEFL PrepUniversity Students
Why We Faint (When Other Animals Don't)B2
2

Why We Faint (When Other Animals Don't)

TOEFL PrepUniversity Students
How To Kill A VolcanoC1
3

How To Kill A Volcano

University StudentsWorking Adults
Three Specific Ways AI Could Kill Us AllC1
3

Three Specific Ways AI Could Kill Us All

Daily ConversationUniversity StudentsWorking Adults
Why Don't Blue Whales Eat Fish?C1
13

Why Don't Blue Whales Eat Fish?

IELTS PrepTOEFL PrepUniversity Students
MinuteEarth Explains: Cats vs DogsC1
2

MinuteEarth Explains: Cats vs Dogs

Daily ConversationUniversity StudentsWorking Adults
The Best Dragon (According to Science)C1
6

The Best Dragon (According to Science)

University StudentsWorking Adults
How High Can Birds Fly?C1
9

How High Can Birds Fly?

IELTS PrepTOEFL PrepUniversity Students
Why Do We Have More Boys Than Girls?B2

Why Do We Have More Boys Than Girls?

University Students
MinuteEarth Explains: MicrobesB2

MinuteEarth Explains: Microbes

IELTS PrepTOEFL PrepUniversity Students
Why Don't Our Bones Keep Growing Forever?B2

Why Don't Our Bones Keep Growing Forever?

TOEFL PrepUniversity Students
Could This Thing *Really* Fly?B2

Could This Thing *Really* Fly?

University Students
There’s Really Only One Way To DieC1

There’s Really Only One Way To Die

IELTS PrepTOEFL PrepUniversity Students
You've Been Misled About The Water CycleB2

You've Been Misled About The Water Cycle

Daily ConversationUniversity StudentsWorking Adults
FOR YOU

अनुशंसित वीडियो

Why Is the Ocean Salty and Rivers Are Not?B2
11
16 वाक्य

Why Is the Ocean Salty and Rivers Are Not?

IELTS PrepTOEFL PrepUniversity Students
Why birds don't crash (and what humans can learn from them)C1
16
48 वाक्य

Why birds don't crash (and what humans can learn from them)

British AccentIELTS PrepTOEFL PrepUniversity Students
Let's Make Earth Twice as Large!C1
4
15 वाक्य

Let's Make Earth Twice as Large!

IELTS PrepTOEFL PrepUniversity Students
How Pumped Storage Power Plants Work (Hydropower)C1
1
55 वाक्य

How Pumped Storage Power Plants Work (Hydropower)

IELTS PrepTOEFL PrepUniversity Students
How does light 'know' the shortest path?C1
20
20 वाक्य

How does light 'know' the shortest path?

IELTS PrepTOEFL PrepUniversity Students
Rơi vào hồ cá Piranha | TED-Ed | Học Tiếng Anh song ngữ #shorts #hoctienganh #tienganh #ted #piranhaC1
13
14 वाक्य

Rơi vào hồ cá Piranha | TED-Ed | Học Tiếng Anh song ngữ #shorts #hoctienganh #tienganh #ted #piranha

IELTS PrepTOEFL PrepUniversity Students
Listening - Facts and FiguresC1
4
26 वाक्य

Listening - Facts and Figures

IELTS PrepTOEFL PrepUniversity Students
The Building Blocks of Everything: Matter & its PropertiesC1
5
41 वाक्य

The Building Blocks of Everything: Matter & its Properties

IELTS PrepTOEFL PrepUniversity Students
Why is this one spot not warming?C1
3
341 वाक्य

Why is this one spot not warming?

IELTS PrepTOEFL PrepUniversity Students
bài học 13 - 2C1
2
31 वाक्य

bài học 13 - 2

IELTS PrepTOEFL PrepUniversity Students
What Exactly Is Coral?C1
1
64 वाक्य

What Exactly Is Coral?

IELTS PrepTOEFL PrepUniversity Students
What’s Ruining Our Ruins?B2
6
120 वाक्य

What’s Ruining Our Ruins?

American AccentIELTS PrepTOEFL PrepUniversity Students

इस पाठ के बारे में

इस वीडियो में हम समझेंगे कि नदियाँ क्यों मुड़ती हैं। हम सीखेंगे कि नदियों के वक्रांकित रास्तों का निर्माण कैसे होता है और किस तरह से छोटी-छोटी घटनाएँ, जैसे एक मुस्क्रेट का बिल बनाना, नदी के प्रवाह को प्रभावित कर सकती हैं। इसलिए, इस पाठ में, आप नदियों के प्रवाह, उनके वक्रों और समान्य प्राकृतिक प्रक्रियाओं के बारे में जानकारी प्राप्त करेंगे। इस प्रकार की जानकारी आपके अंग्रेजी बोलने के कौशल को सुदृढ़ करने में मददगार साबित होगी।

मुख्य शब्दावली और वाक्यांश

  • Meandering: मुड़ना या घुमावदार होना
  • Stream: धारा या छोटी नदी
  • Bank: नदी के किनारे
  • Hollow: खोखला या गड्ढा
  • Momentum: गति या बल
  • Curve: वक्र या मोड़
  • Oxbow lake: सर्पिल झील
  • Deposit: जमा करना या ढेर करना

अभ्यास के सुझाव

वीडियो की गति और स्वर के अनुसार शैडोइंग तकनीक का उपयोग करें। वीडियो को ध्यान से सुनें और नकल करने की कोशिश करें। जब नदी के प्रवाह के बारे में वर्णन होता है, तो उस बताई गई प्रक्रिया को अपने शब्दों में भी कहें। आप अपनी आवाज़ को यूट्यूब से अंग्रेजी सीखें तरह से टेक्स्ट के साथ मेल खाने का प्रयास कर सकते हैं। यह तकनीक अंग्रेजी बोलने का अभ्यास करने के लिए बेहद प्रभावी होती है। हमेशा अपनी उच्चारण और अभिव्यक्ति पर ध्यान दें ताकि आप और भी सुधार पाएं। धीरे-धीरे शब्दों को बोलते हुए अपनी रफ्तार बढ़ाएं, और अंग्रेजी शैडोइंग में महारत हासिल करने का प्रयास करें।

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 हैare corralled · is diverted

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 →