ฝึกพูดภาษาอังกฤษด้วยเทคนิค Shadowing จากวิดีโอ: The Bloody Origins of the Number Zero
เลือกโหมดฝึก
แต่ละโหมดจะเปิดห้องฝึกแบบเต็มจอ
149 ประโยค
หากประโยคสั้นหรือยาวเกินไป กดที่ Edit เพื่อปรับแก้
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The ground shakes as thousands of Mauryan elephant riders thunder toward the coastal kingdom of Kalinga.
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It’s 261 BCE.
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Emperor Ashoka already rules most of India and now moves on to crush Kalinga and seize their ports.
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The Kalingans stand ready to defend their home with swords, javelins and war elephants of their own.
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But they are outnumbered and don’t realize how badly until it’s too late.
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A trumpeting avalanche rolls toward them.
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Blades on tusks cut through bodies while the rest are crushed underfoot.
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Those who survive run for the Daya river.
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But on the far bank, Mauryan cavalry is already closing in.
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Panic spreads and soldiers jump into the water, only to be met by arrows raining down from Mauryan archers.
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The water turns red as the slaughter continues leaving 100,000 dead and even more forcibly deported.
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Families are erased and villages destroyed.
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Yet, this devastation does not fuel more war.
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Instead of violence, a different kind of power rises, built on knowledge and reason, spreading outwards in ripples that still reach us today.
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Monasteries and Merchants When the Kalinga war ends, the Mauryans control nearly all the land between the Himalayas and the ocean, home to roughly a third of the world’s population at the time.
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The successful conquest of emperor Ashoka pushes his rule to the eastern coast, but the triumph comes at a cost.
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Confronted with the scale of the suffering he caused, Ashoka is overwhelmed with guilt and sorrow.
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For months he is desperate to repent, until he encounters Buddhism.
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At the time, it’s still a small movement carried along roads by begging monks who speak of non-violence and tolerance as a release from suffering.
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Ashoka converts and becomes a patron, spreading belief without enforcing it.
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Pillars are carved with his edicts on kindness, religious tolerance and social welfare.
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They read like ancient good-life quotes: To do good is difficult.
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One who does good first does something hard to do.
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Ashoka practices what he preaches.
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He upgrades imperial roads, plants shade trees and builds wells for travelers and cattle.
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These roads double as trade routes, linking inland markets to ports bound for Southeast Asia.
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Caravans carry vast amounts of Indian riches like ebony, sandalwood, cotton and pepper.
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Buddhism also starts taking off and monks crowdsource support to cut caves into cliffs for simple monasteries.
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They offer shelter to travellers and position themselves as guardians of the trade.
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This resonates with a rising merchant class which donates generously, gaining both protection and spiritual merit.
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The Buddhist monasteries grow bigger.
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Now not just spiritual centers but engines of wealth.
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Monks manage land and run mines and mills.
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They lend money to farmers who invest in trading voyages.
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Basically, monasteries become the first banks of South Asia.
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It’s a perfect system: faith funding trade, trade carrying faith.
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The Mauryan empire collapses a century after Akosha, but the monasteries endure and merchants keep moving.
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They turn westwards, where a new superpower is stretching its limbs with a growing demand for Indian goods.
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We’ll take a quick break from ancient trade systems and focus on today’s business.
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The Golden Age of Trade 6000 kilometers west, Roman dominance has been rising through marching legions and territorial takeover.
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In 30 BCE, having conquered Cleopatra’s Egypt, the empire grips the Red Sea ports.
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This opens a direct corridor to the Indian world and ship traffic increases.
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It helps that the Indian peninsula sits inside a massive wind machine.
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For half the year, the monsoon blows towards the Arabian sea, and for the other half, it flips direction.
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This predictable rhythm lets Indian sailors ride the wind straight across the ocean and glide safely home months later.
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They build enormous and tough ships that can easily carry 1000 people or a few hundred tons of cargo.
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In Rome, Indian goods sell for up to a hundred times their original price.
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If you’re lucky the profit from a single voyage can buy 2000 acres of the best Egyptian farmland or pay 10,000 Roman soldiers for a year.
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In this trade, a successful merchant doesn’t just get rich.
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They can rival the wealth of senators.
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Above all, the Indians bring pepper.
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It pours into the markets and rewires Roman taste itself.
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Nearly 80% of their recipes now demand it.
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Even soldiers freezing at Hadrian’s Wall order pepper, to make their rations edible.
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Words like pepper, ginger and sugar travel with the spice, moving from Sanskrit into Latin and almost every European language.
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But the biggest ships aren’t loaded with spice.
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They are animal transports, vast floating stables carrying elephants, tigers, leopards, even occasional rhinoceros.
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All kept alive through an almost 2 month journey for Rome’s gladiator games.
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Indian imports into Egypt surge past 1.3 billion a year in today’s dollars.
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And Roman tax collectors skim off over a quarter of that flow.
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Enough to finance a third of the empire’s budget.
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Older accounts emphasized the overland Silk Road from China, but when historians re-examined maritime trade, the volumes of goods travelling along these routes told a different story.
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Goods do travel overland from China, but the Silk Road is slow, costly and hard to control.
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Most Chinese goods reach Roman markets through Indian sea trade networks.
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All this makes India Rome’s largest trading partner.
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For more than 300 years, the system works.
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Until the Roman Empire starts to weaken.
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Commerce slows, fleets shrink and ports fall silent one by one.
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Indian merchants redirect their massive ships toward Southeast Asia’s rising kingdoms.
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And with them travel ideas that will reshape how humans understand the universe itself.
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Ground Zero Trade fuels prosperity across the subcontinent.
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By the 4th century, most of it is ruled by the Gupta Empire.
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Wealth flows into art and science fueling a boom in centers of learning.
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Among them rises Nalanda, the elite MIT of ancient India.
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10,000 monks live and study there, crowned by a vast nine-storey library known as the Sea of Jewels.
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India begins to build one of the richest mathematical traditions on Earth.
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Scholars start writing nine numerical symbols in a radically new way.
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A digit’s position now defines its value.
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Around 628, the mathematician Brahmagupta takes on a revolutionary idea.
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He defines zero, lays out its rules and gives it real power.
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Suddenly, any number, no matter how big, can be expressed with just ten symbols.
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They call the new number shunya - the void.
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It draws directly from the Buddhist idea that emptiness is not absence but something meaningful.
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By the 7th century, Buddhism is still tightly linked to scholars and new ideas but has begun to fade from everyday life.
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The Gupta Empire backs Hinduism instead, which celebrates warrior kingship at a time of northern Hun invasions that leave many Buddhist monasteries in ruins.
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So Buddhist communities pack their manuscripts and flee, drawn by new patrons for Indian monastic knowledge.
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In China, Indian monks and scholars help the first and only female emperor, Wu Zetian, to rise to power.
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Monasteries flourish throughout the empire and Indian culture comes into fashion.
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For more than a decade, Buddhism even becomes a state religion.
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South of China, across the Bay of Bengal, Buddhism is absorbed into the local culture.
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Stone temples rise, while religious texts and literature take shape after Sanskrit models.
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Across Southeast Asia, local traditions are blended with Indian culture, creating a vast and powerful Indosphere of influence.
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But the final expansion of Indian ideas turns west.
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From the 7th century, with the rise of Islam, Arab and Persian merchants expanded the Indian Ocean routes, linking South Asia and the Middle East by sea.
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Over the next century these networks converge in Bagdad, the heart of the Abbasid Caliphate – and what travels there is not faith or culture, but something more practical.
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The Journey of Numbers In the 8th century, a young Islamic world stands between Europe and India.
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From Baghdad, a family of administrators called the Barmakids helps run the caliphate.
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Their bloodline runs from Buddhist scholars who once led Central Asia’s greatest monastery.
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And that legacy doesn’t vanish, even embedded in a different culture.
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They establish the House of Wisdom, designed to rival India’s Nalanda.
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By commissioning translations and gathering manuscripts, the Barmakids fill libraries with Indian texts.
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First paper mills follow, enabling mass manuscript production.
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Over the next two centuries, Arab scholars translate, copy and carry Indian knowledge west toward the far edge of the Arab world.
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When the manuscripts reach Spain, Europe is deep in the Middle Ages.
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The next centuries see Europe shaped by growing kingdoms, population growth and a hunger for knowledge.
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But merchants still struggle through trade with clunky abacuses and every multiplication is a slow-motion disaster with Roman numerals.
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Until now, Indian maths lives mostly in monasteries and early universities but doesn’t reach the street.
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But change is on the way.
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In 1225, Frederick II, the Holy Roman Emperor, arrives in Pisa.
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He is part ruler, part nerd, part showman.
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He speaks five languages, debates math and philosophy with Arab scholars and thinkers of every kind.
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Muslim bodyguards in turbans flank him, followed by a procession of exotic animals and wagons stacked with manuscripts.
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To some in Europe, his open mind is deeply unsettling.
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He’s here to meet Fibonacci, the mathematician who has just written The Book of Calculation on the nine Indian numerals and the strange new symbol the Arabs call zephir.
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Frederick encourages him to expand the book, transforming abstract knowledge into practical tools for merchants.
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It’s an instant bestseller.
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It shows how to convert currencies, calculate profit and interest but mostly replace the abacus with pencil and paper.
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Indian numerals spread across Europe, adopted by bankers funding explorers and voyages.
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But as Indian mathematics spreads west, its homeland falls apart.
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Turkic armies sweep through northern India.
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Nalanda is destroyed and its great library burned to ash.
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Old trade routes collapse, scholars scatter and waves of Persian migrations reshape the north.
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At court, Sanskrit fades, now replaced by Persian.
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By the 13th century, the language that carried a thousand years of knowledge begins to slowly disappear from centers of power.
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When a Portuguese ship reaches India in 1498, history closes a cruel loop.
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India had given Europe the mathematical tools that the West now weaponizes.
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Navigation uses them to open new sea routes, allowing the Portuguese to violently attack the spice trade.
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Finance takes over, enabling wealthy London merchants to run the East India Company and turn India into a balance sheet.
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Other European powers follow and India is gripped tightly within their claws for nearly five centuries.
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Universal Language At its peak in the late 7th century, the Indian sphere of influence shapes nearly half of humanity.
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Carried by faith and trade, it embraced curiosity and tolerance.
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By improving everyday life, Indian culture spread by being both useful and beautiful, enriching every society it touched.
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The legacy is still visible.
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Indonesia, home to the world’s largest Muslim population, carries India in its name.
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Thai kings are still crowned in Sanskrit ceremonies.
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China now has the largest Buddhist population on Earth.
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And the Buddhist temple Angkor Wat in Cambodia remains the largest temple ever built.
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But the most enduring legacy is simpler.
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A way of counting and calculating, the closest thing humanity has to a universal language.
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The soft power of Indian knowledge never disappeared.
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It still helps us to measure, understand and reshape reality itself.
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คำศัพท์และข้อสังเกตด้านการพูดสำหรับบทเรียนนี้
วิดีโอนี้มี 149 ประโยค และ 2081 คำ สำหรับฝึกพูดตาม ช่วงที่มีเสียงพูดยาว 14:30 ผู้พูดพูดด้วยความเร็วสม่ำเสมอ ประมาณ 143 คำต่อนาที เหมาะกับการฝึกพูดตาม มีเพียง 71% ของคำที่อยู่ใน 3,000 คำที่ใช้บ่อยที่สุดในภาษาอังกฤษ คำศัพท์จึงค่อนข้างยาก
คำศัพท์สำคัญในวิดีโอนี้
คำที่ควรเรียนรู้ 15 คำจากวิดีโอ พร้อมคำอ่านและความหมาย:
| คำศัพท์ | คำอ่าน | ความหมาย |
|---|---|---|
| merchant คำนาม | /ˈmɝt͡ʃənt/ | วาณิช, คนค้า |
| monk คำนาม | /mʌŋk/ | พระ, นักพรต |
| manuscript คำนาม | /ˈmæn.jəˌskɹɪpt/ | ต้นฉบับ |
| vast คำคุณศัพท์ | /væst/ | ว้างเวิ้ง, ไพศาล |
| emperor คำนาม | /ˈɛmp(ə)ɹə/ | จักรพรรดิ, ฮ่องเต้ |
| pepper คำนาม | /ˈpɛp.ə/ | พริกไทย |
| legacy คำนาม | /ˈlɛɡəsi/ | มรดก |
| symbol คำนาม | /ˈsɪmbəl/ | สัญลักษณ์ |
| elephant คำนาม | /ˈɛlɪfənt/ | ช้าง, คชสาร |
| spouse คำนาม | /spaʊ̯s/ | คู่สมรส |
| universal คำคุณศัพท์ | /ˌjunəˈvɜɹs(ə)l/ | จักรวาล |
| temple คำนาม | /ˈtɛm.pl̩/ | วัด |
| mill คำนาม | /mɪl/ | โรงสี |
| expand คำกริยา | /ɪkˈspænd/ | ขยาย |
| humanity คำนาม | /hjuˈmænɪti/ | มนุษยชาติ |
กริยาวลีที่คุณจะได้ยิน
| คำศัพท์ | ความหมาย |
|---|---|
| take off คำกริยา | ถอด |
| try out คำกริยา | ลอง |
ไวยากรณ์ในวิดีโอนี้
โครงสร้างที่ผู้พูดใช้บ่อยที่สุด พร้อมคำพูดจริงจากวิดีโอ:
| โครงสร้าง | ในวิดีโอ |
|---|---|
| Passive voice be + กริยาช่อง 3 — เน้นสิ่งที่เกิดขึ้น ไม่ใช่ผู้กระทำ | are outnumbered · are crushed · be met |
| Present perfect have/has + กริยาช่อง 3 — เหตุการณ์ในอดีตที่ยังเกี่ยวข้องกับปัจจุบัน | has begun · has just written |
| Relative clauses who / which + อนุประโยค — ข้อมูลเพิ่มเติมเกี่ยวกับคนหรือสิ่งของ | Those who survive · One who does |
การออกเสียงที่ควรระวัง
ผู้พูดใช้รูปย่อและรูปลดเสียง 8 ครั้ง เช่น doesn't, you're, aren't ให้พูดแบบสั้นตามที่ได้ยิน
- เสียง “th”: mathematics /mæθ(.ə)ˈmæt.ɪks/, mathematical /ˌmæθ(.ə)ˈmæt.ɪ.kəl/, gather /ˈɡæðɚ/, wealthy /ˈwɛl.θi/, thunder /ˈθʌndɚ/
- เสียง “sh” และ “zh”: crush /kɹʌʃ/, establish /ɪˈstæb.lɪʃ/, sheet /ʃit/, interaction /ˌɪn.təˈɹæk.ʃən/, shelter /ˈʃɛltə/
- คำยาว — ลงเสียงหนักให้ถูกพยางค์: universal /ˌjunəˈvɜɹs(ə)l/, humanity /hjuˈmænɪti/, mathematics /mæθ(.ə)ˈmæt.ɪks/, mathematical /ˌmæθ(.ə)ˈmæt.ɪ.kəl/, interaction /ˌɪn.təˈɹæk.ʃən/
วิธีฝึกกับวิดีโอนี้
- ฟังวิดีโอให้จบหนึ่งรอบโดยยังไม่ต้องพูด แล้วจดคำที่ยังไม่รู้จัก
- พูดตามทีละประโยคด้วยความเร็วปกติ ทำซ้ำแต่ละประโยคจนจังหวะของคุณตรงกับผู้พูด
- อัดเสียงตัวเองแล้วเทียบกับต้นฉบับ โดยสังเกตคำอย่าง merchant, monk, manuscript เป็นพิเศษ
เทคนิค Shadowing คืออะไร?
Shadowing เป็นเทคนิคการเรียนรู้ภาษาที่ได้รับการรับรองทางวิทยาศาสตร์ พัฒนาขึ้นสำหรับการฝึกนักแปลมืออาชีพ วิธีการนี้เรียบง่ายแต่ทรงพลัง: คุณฟังเสียงภาษาอังกฤษจากเจ้าของภาษาและพูดตามทันที — เหมือนเงาที่ตามผู้พูดด้วยช่วงเวลาห่าง 1-2 วินาที การวิจัยแสดงว่าเทคนิคนี้ปรับปรุงความแม่นยำในการออกเสียง ทำนองเสียง จังหวะ การเชื่อมเสียง การฟังเข้าใจ และความคล่องแคล่วในการพูดได้อย่างมีนัยสำคัญ