ฝึกพูดภาษาอังกฤษด้วยเทคนิค Shadowing จากวิดีโอ: Why Does the OCEAN Get Creepier the Deeper You Go?
กำลังสร้างบทเรียน...
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The ocean covers 71% of the planet.
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Fewer people have stood at the bottom of the ocean than have walked on the moon.
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We've mapped Mars in higher resolution than the ocean floor.
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And the reason isn't budget or interest.
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It's that space is genuinely easier to reach.
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The pressure at the bottom would crush a submarine like a tin can.
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The darkness is total.
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The cold is near freezing.
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And the things living there look like nothing that should exist on Earth.
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The ocean has five layers.
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The deeper you go, the less it resembles a place life should survive.
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The top 200 meters is the sunlight zone.
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This is the ocean you know.
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Coral reefs, dolphins, tuna, sea turtles.
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Phytoplankton here produce roughly half of all the oxygen on Earth.
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Every second breath you take came from this layer.
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Almost all marine life lives here.
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Below 200 meters, sunlight stops.
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And so does everything familiar.
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From 200 to 1000 meters is the twilight zone.
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1% of surface light reaches this depth, enough to see shapes and shadows.
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Not enough for plants.
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Pressure climbs to around 100 atmospheres and creatures start getting strange.
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This is where the Barrelife fish lives.
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Its head is completely transparent, a dome of clear fluid you can see straight through.
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Inside, two barrel-shaped eyes rotate inside its own skull, pointing upward through its forehead to spot prey silhouetted against the faint light above.
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When scientists first caught specimens in nets, they assumed the transparent heads had been damaged.
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In 2004, researchers at the Monterey Bay Aquarium Research Institute filmed one alive and confirmed the transparency was completely natural.
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This zone also hosts the largest daily animal migration on Earth.
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Billions of creatures, fish, squid, jellyfish, rise toward the surface every night to feed, then descend at dawn.
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Every ocean, every night, simultaneously, invisible to almost everyone alive.
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At around 900 meters, the vampire squid waits.
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Despite the name, it doesn't drink blood.
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It has the largest eyes relative to body size of any animal on Earth.
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It survives in oxygen levels as low as 3% of surface concentrations, conditions lethal to almost anything else.
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When threatened, it turns itself inside out, wrapping webbed arms around its body like a cloak,
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and fires bioluminescent mucus from its arm tips as glowing decoys into the darkness.
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Below 1000 meters is the midnight zone, down to 4000 meters.
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No sunlight.
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Complete darkness.
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Pressure between 100 and 400 atmospheres.
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Temperature near freezing.
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No plants.
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The only food is marine snow.
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Dead organisms drifting down from above.
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The only consistent food source for an enormous amount of life.
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Nearly 90% of creatures here produce their own light.
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The dragonfish has a jet black body making it invisible.
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But it produces and detects red light.
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A wavelength almost nothing at this depth can see.
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Deep Sea biologist Edith Witter, who received a MacArthur Fellowship for her bioluminescence research, described it as one of the most sophisticated stealth systems in the animal kingdom.
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It hunts using a beam its prey cannot perceive.
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The goblin shark has been here unchanged for 125 million years.
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It detects electrical fields from other animals through sensors covering its snout.
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When prey is close, its jaw fires forward like a slingshot, extending 9% of its body length in milliseconds.
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It doesn't need speed, just proximity.
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Then there is the anglerfish.
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The female hangs a bioluminescent lure from her forehead in complete darkness.
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A small fish approaches, the jaws close, her body expands to swallow prey twice her size, but the mating is what stops people.
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The male bites into her skin and never lets go.
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His body fuses to hers, his organs dissolve.
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He loses his eyes, his fins, his independence, becoming a permanent reproductive attachment.
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Evolutionary biologist Theodore Peach, at the University of Washington, documented females with six fused males attached simultaneously.
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What started as a creature becomes part of another one.
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From 4,000 to 6,000 meters is the abyssal zone.
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83% of the ocean floor, the largest habitat on Earth, almost entirely unknown.
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At around 4,000 meters, the water crosses the carbonate compensation depth depth.
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Below this line, calcium carbonate dissolves so aggressively that shelled creatures virtually vanish.
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The water literally dissolves their protective armor.
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The few exceptions use specialized organic coatings or aluminium in their exoskeletons just to hold together.
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Everything else is soft, gelatinous, built from water, the only structure that survives.
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Giant isopods roam here, resembling wood lice the size of footballs.
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They endure years without food, waiting until a whale carcass sinks from above.
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They strip it to nothing, then return to stillness.
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Hydrothermal vents split open where tectonic plates pull apart, releasing water above 400 degrees Celsius.
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Around them, entire ecosystems exist with no sunlight at all.
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Tube worms two meters long.
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Ghost white crabs.
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Shrimp detecting infrared from the vents.
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These organisms convert chemicals rather than light into energy.
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Life without a sun, which quietly changes the question of where else in the universe life might exist.
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In 2024, the Ocean Census, a global initiative to catalog new deep-sea species, sent expeditions to remote Pacific ridges and trenches near New Zealand.
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What came back included a creature resembling a glowing red sea tomato with no identifiable relatives, and a new species of coral that feeds on flesh.
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These weren't found in unexplored abyss.
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They were found on the edges of the already mapped territory, which raises an obvious question about everything beyond it.
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The deeper we explore the oceans, the stranger life becomes.
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But here's the thing.
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Some of the most fascinating ecosystems on Earth are also among the most vulnerable.
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But it can feel impossible to make a difference when it comes to protecting oceans and the life inside them.
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The scale of the problem is overwhelming, and there's only so much you can do as an individual.
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But as a group, as a community, we can make a tremendous difference.
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That's one reason I like what Planet Wild is doing.
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PlantWild is a community of more than 25,000 people, including myself, funding real conservation missions around the world,
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from protecting endangered species to restoring ecosystems and safeguarding marine environments.
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Think of it like crowdfunding for nature.
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What I like is that you don't just donate and forget about it.
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Every month, members receive video updates right here on YouTube showing exactly what's happening on the ground.
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So instead of wondering whether your contribution made any difference, you actually get to see the results.
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For example, in one of their latest missions, they used a simple yet effective solution to help fight ocean plastic at the source.
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I've always been fascinated by the natural world, and the more I learn about it, the more I realize how much there is worth protecting.
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If you'd like to support real conservation work and help protect the natural world, including the oceans we're talking about today, you can give whatever amount feels right to you.
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The first 100 people using my code AXEN6 will get their first month paid for by me.
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Just scan this QR code or click the link in the description.
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After that, you can cancel any time.
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If you want to see them in action first, check out their mission video Fighting Ocean Plastic linked below.
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And now, let's go even deeper.
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Below 6,000 meters is the Hadal Zone, named after Hades, god of the underworld.
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It exists only in ocean trenches.
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The Mariana Trench reaches 10,935 meters at Challenger Deep.
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Pressure there is 1,086 bar, 8 tons per square inch.
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People assume the deep ocean is silent.
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It isn't.
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Hydrophones dropped into the Mariana Trench recorded a constant eerie acoustic environment.
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The low rumble of distant earthquakes, whale calls moaning down from miles above, the screech of shifting tectonic plates amplified by the trench walls.
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Researchers who first listened described it as sounding like a haunted house.
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The deepest place on Earth is not quiet.
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The Hadal snailfish is the deepest fish ever filmed.
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captured at 8,336 meters in a 2023 expedition led by marine biologist Alan Jameson at the University of Western Australia.
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Translucent.
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Organs visible through its skin.
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Cartilage skeleton because bone becomes brittle under this pressure.
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The apex predator of the Hadal food web.
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It looks like something biology was not supposed to produce.
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Below where snailfish survive, amphipods swarm, tiny shrimp-like creatures consuming whatever falls from the world above.
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Scientists found microplastics in their tissue.
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Even here, at nearly 11 kilometers below the surface, in the most remote place on Earth, we have already arrived.
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Researchers also found xenophiophores in Challenger Deep, single-celled organisms growing to the size of a dinner plate.
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One cell, plate-sized, in total darkness under eight tons of pressure.
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We have mapped roughly 25% of the ocean floor according to the Seabed 2030 Initiative.
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The remaining 75% is completely unmapped dark territory.
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We know more about the surface of the moon.
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And based on what the explored 25% contains, glowing creatures with no known relatives, fish that fuse their bodies together, coral that eats flesh.
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The remaining 75% has no obligation to be less strange.
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Before you go, if you enjoyed learning about the hidden world beneath the ocean, consider checking out Planet Wild.
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See them in action with their mission-fighting ocean plastic right here.
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Thanks for watching, and I'll see you in the next one.
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คำศัพท์และข้อสังเกตด้านการพูดสำหรับบทเรียนนี้
บทเรียนฝึกพูดระดับ B2 นี้ใช้วิดีโอ “Why Does the OCEAN Get Creepier the Deeper You Go?” เป็นสื่อ คำที่ถูกพูดซ้ำบ่อยที่สุด: ocean, meters, creature, Earth, below วิดีโอนี้มี 136 ประโยค และ 1538 คำ สำหรับฝึกพูดตาม ช่วงที่มีเสียงพูดยาว 9:47 ผู้พูดพูดด้วยความเร็วเป็นธรรมชาติ ประมาณ 157 คำต่อนาที ใกล้เคียงกับบทสนทนาในชีวิตประจำวัน มีเพียง 74% ของคำที่อยู่ใน 3,000 คำที่ใช้บ่อยที่สุดในภาษาอังกฤษ คำศัพท์จึงค่อนข้างยาก
คำศัพท์สำคัญในวิดีโอนี้
คำที่ยากที่สุด 15 คำในวิดีโอ พร้อมคำอ่านและความหมาย:
| คำศัพท์ | คำอ่าน | ความหมาย |
|---|---|---|
| meter คำนาม | /ˈmitəɹ/ | มิเตอร์ |
| trench คำนาม | /ˈtɹɛnt͡ʃ/ | คู, ร่อง |
| sunlight คำนาม | /ˈsʌnˌlaɪt/ | แดด, แสงอาทิตย์ |
| biologist คำนาม | /baɪˈɒləd͡ʒɪst/ | นักชีววิทยา |
| organism คำนาม | /ˈɔɹ.ɡəˌnɪz.əm/ | สิ่งมีชีวิต |
| ecosystem คำนาม | /ˈikoʊˌsɪstəm/ | ระบบนิเวศ |
| coral คำนาม | /ˈkɔɹəl/ | ปะการัง |
| researcher คำนาม | /ˈɹiˌsɝ.t͡ʃɚ/ | นักวิจัย |
| dissolve คำกริยา | /dɪˈzɑlv/ | ยุบ |
| shrimp คำนาม | /ʃɹɪmp/ | กุ้ง |
| forehead คำนาม | /ˈfɔɹ.hɛd/ | หน้าผาก, เถิก |
| whale คำนาม | /ˈweɪl/ | วาฬ, ปลาวาฬ |
| transparent คำคุณศัพท์ | /tɹænsˈpæɹənt/ | ใส, โปร่งใส |
| invisible คำคุณศัพท์ | /ɪnˈvɪzəb(ə)l/ | ล่องหน |
| freeze คำกริยา | /ˈfɹiːz/ | แข็ง |
กริยาวลีที่คุณจะได้ยิน
| คำศัพท์ | ความหมาย |
|---|---|
| come back คำกริยา | กลับมา |
ไวยากรณ์ในวิดีโอนี้
โครงสร้างที่ผู้พูดใช้บ่อยที่สุด พร้อมคำพูดจริงจากวิดีโอ:
| โครงสร้าง | ในวิดีโอ |
|---|---|
| Present perfect have/has + กริยาช่อง 3 — เหตุการณ์ในอดีตที่ยังเกี่ยวข้องกับปัจจุบัน | have stood · We've mapped · has been |
| Passive voice be + กริยาช่อง 3 — เน้นสิ่งที่เกิดขึ้น ไม่ใช่ผู้กระทำ | had been damaged · weren't found · were found |
การออกเสียงที่ควรระวัง
ผู้พูดใช้รูปย่อและรูปลดเสียง 11 ครั้ง เช่น doesn't, isn't, don't ให้พูดแบบสั้นตามที่ได้ยิน
- เสียง “th”: stealth /stɛlθ/, lethal /ˈliː.θəl/, threaten /ˈθɹɛt.n̩/, earthquake /ˈɝθkweɪk/
- เสียง “sh” และ “zh”: shrimp /ʃɹɪmp/, flesh /flɛʃ/, anglerfish /ˈæŋɡlɚˌfɪʃ/, specialize /ˈspɛʃəˌlaɪz/, evolutionary /ˌiː.vəˈluː.ʃən.ɛɹ.i/
- คำยาว — ลงเสียงหนักให้ถูกพยางค์: biologist /baɪˈɒləd͡ʒɪst/, organism /ˈɔɹ.ɡəˌnɪz.əm/, ecosystem /ˈikoʊˌsɪstəm/, invisible /ɪnˈvɪzəb(ə)l/, simultaneously /ˌsaɪmlˈteɪnɪəsli/
เสียงที่คนไทยมักออกเสียงยาก:
- เสียงท้ายคำ — ออกเสียงให้ครบ ไม่เปลี่ยนเป็นตัวสะกดแบบไทย: trench /ˈtɹɛnt͡ʃ/, resemble /ɹɪˈzɛmbəl/, coral /ˈkɔɹəl/, dissolve /dɪˈzɑlv/, whale /ˈweɪl/
- /v/ — ไม่ใช่ /w/ ให้ฟันบนแตะริมฝีปากล่าง: dissolve /dɪˈzɑlv/, vent /vɛnt/, invisible /ɪnˈvɪzəb(ə)l/, overwhelm /ˌoʊ.vɚˈwɛlm/, perceive /pɚˈsiv/
- /z/ — เสียงก้อง ไม่ใช่ /s/: organism /ˈɔɹ.ɡəˌnɪz.əm/, resemble /ɹɪˈzɛmbəl/, dissolve /dɪˈzɑlv/, invisible /ɪnˈvɪzəb(ə)l/, freeze /ˈfɹiːz/
วิธีฝึกกับวิดีโอนี้
- ฟังวิดีโอให้จบหนึ่งรอบโดยยังไม่ต้องพูด แล้วจดคำที่ยังไม่รู้จัก
- เริ่มที่ความเร็ว 0.75× พูดตามทีละประโยค แล้วกลับไปใช้ความเร็วปกติเมื่อเริ่มคล่อง
- อัดเสียงตัวเองแล้วเทียบกับต้นฉบับ โดยสังเกตคำอย่าง meter, trench, sunlight เป็นพิเศษ
เทคนิค Shadowing คืออะไร?
Shadowing เป็นเทคนิคการเรียนรู้ภาษาที่ได้รับการรับรองทางวิทยาศาสตร์ พัฒนาขึ้นสำหรับการฝึกนักแปลมืออาชีพ วิธีการนี้เรียบง่ายแต่ทรงพลัง: คุณฟังเสียงภาษาอังกฤษจากเจ้าของภาษาและพูดตามทันที — เหมือนเงาที่ตามผู้พูดด้วยช่วงเวลาห่าง 1-2 วินาที การวิจัยแสดงว่าเทคนิคนี้ปรับปรุงความแม่นยำในการออกเสียง ทำนองเสียง จังหวะ การเชื่อมเสียง การฟังเข้าใจ และความคล่องแคล่วในการพูดได้อย่างมีนัยสำคัญ