跟读练习: What Happened After the DEADLIEST Asteroid Hit Earth? - 通过视频学习英语口语

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66 million years ago, an asteroid as big as Mount Everest was headed on a deadly collision course with Earth.

The impact was so devastating that it wiped out the most gigantic, deadliest reptiles to ever roam our planet.

But the dinosaurs didn't just die from one big boom.

No. they faced a slow, agonizing end.

How did this extinction event cause the largest tsunami Earth has ever seen?

And what exactly happened after the big reptiles were gone?

Hold on tight.

We're taking you on the most epic and deadly trip of your life.

This dinosaur-ending asteroid is terrifying.

Not only was it about 10 km in diameter, but it also traveled incredibly fast,

between 10 and 30 km per second.

At this point, it was a blazing fireball.

As it hurtled down to Earth, the air in front of it was compressing and heating up to unimaginably hot temperatures.

Just before the impact, the asteroid could have been as hot as the surface of the Sun.

Once it entered our atmosphere,

it only took this massive space rock a few seconds to reach Earth's surface and alter the course of life forever.

As the asteroid slammed into Earth off the coast of where Mexico is now, it sent huge amounts of debris up into the air.

The shocking blast wave killed everything in its way.

And from here, it was only getting worse.

Yeah, 66 million years ago, Earth was going through some rough times.

Now, right now, our planet's not facing a giant asteroid, but we are facing increasingly severe environmental crises.

If you think it's time to fix our planet, stick around for a fantastic video recommendation from our friends at Planet Wild.

You don't want to miss it.

This powerful blast ejected bits of the Earth's surface into the atmosphere.

And minutes later, scorching hot pieces of glass and rock rained back down.

Some of the debris reacted with the atmosphere, causing acid rain that would last for years.

The land was burning.

The fires caused by this devastating impact spread across the continent like literal wildfire,

killing more and more life along the way.

And then, just when you thought the apocalyptic scenario couldn't get any more intense, well, it did.

The impact of the asteroid hitting Earth was so powerful that it sent shockwaves through the planet.

And all that energy had to go somewhere.

Cue the megatsunami.

A wall of water over 10 meters high raced across the ocean.

This wasn't your regular tsunami.

It was a staggering 30,000 times more powerful than anything you see today.

As this monstrous wave spread across the North Atlantic and South Pacific, coastlines didn't stand a chance.

The wave hit with such force that it destroyed and reshaped the continent.

If you were there to witness this apocalyptic destruction, you wouldn't survive any of it.

But some dinosaurs did.

The ones further away from Ground Zero weren't immediately obliterated by the impact.

They weren't incinerated by the resulting infernos, and they managed to avoid being swept away by the mega-tsunami.

But still, their fate was sealed.

As the dust began to settle, it was the start of a nuclear winter.

Even though it wasn't nuclear weapons that caused it, the effect was the same.

The massive amount of debris in the air blocked the sunlight for months, maybe even years.

Earth suddenly became a cold, dark place, and the dinos weren't ready for it.

As temperatures plummeted and fires released enormous amounts of greenhouse gases, the climate changed dramatically.

Plants weren't able to perform photosynthesis, and most of them started to die out.

This disrupted the food chain and starved many of the animals that survived the impact.

And remember the acid rain?

It lasted for several years, causing more devastation to the ecosystems.

The oceans became too acidic for marine life.

Most ocean species didn't have the time to adapt to such a drastic change.

These prolonged harsh conditions, together with the initial blast, pushed about 75% of Earth's life to extinction.

The good news is that this included the horrifying T-Rex.

Yeah, as much as I feel bad for this guy, I'm happy he's not running around today.

When the last of the dinosaurs breathed their last breath,

Earth became an empty, devastated place, cold and acidic.

So when did things get back to normal?

Yeah, well, here's the thing.

They didn't.

Not dinosaur-era normal, anyway.

Earth didn't rebuild after that.

It reinvented itself.

1,000 years later, the planet was recovering from the post-apocalyptic winter.

It was still cold, and food was still scarce, but life was ready to make a comeback.

In this new wild world, a few furry little critters were sprinting around.

Among the first plants to reappear after the impact were ferns.

They really hit it off well after the disaster.

100,000 years later, Earth began to get a little more lively.

Creatures about the size of raccoons were repopulating the continents.

And the oceans were once again teeming with life.

Fast forward about 10 million years, and Earth had finally restored its biodiversity.

Only it wasn't the same Earth as it used to be.

Now it was the age of mammals.

Yeah, after the dinosaurs checked out, mammals were on fire.

Not literally, of course.

Mammals, together with birds and flowering plants, were rocking the planet.

Yeah, Earth never got back to its old self.

After the last dinosaur died, it took our planet millions of years to bounce back in a new way.

But don't get me wrong, this world was still pretty terrifying.

It had beasts like Paraceratherium roaming the land and megalodons raining terror in the oceans.

Yeah, it's really for the best that most of these creatures aren't around these days.

You wouldn't want to face a Meg when you're out there swimming in the ocean.

Even without bloodthirsty Megs sneaking around the oceans, today's Earth and its natural environments face a lot of problems.

But it's not game over for our planet just yet.

check out this new YouTube channel, Planet Wild.

These guys are like real-life Avengers going out there to protect our planet.

Only instead of fighting otherworldly threats, they stay on this planet and get their hands dirty, rewilding it and fixing the damage we've done to our home.

Every month they release a video.

In these ones here, they clean up the ocean from deep-sea waste or transform a dying forest into a beautiful, strong ecosystem.

It's an absolutely inspiring journey, one that'll make you feel like you want to change the world.

Big shout out to Planet Wild for doing amazing work and for encouraging all of us to do better.

Don't wait, check them out.

Let's save the planet and not go extinct like the dinosaurs.

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本课的词汇与口语要点

这段视频共有 96 个句子、1135 个单词可供跟读。讲话部分时长为 8:41。说话人语速平稳，每分钟约 131 个词，很适合跟读。只有 80% 的单词属于英语最常用的 3,000 词，词汇难度较高。

视频中的重点词汇

视频中 15 个值得学习的单词，附发音和释义：

单词	发音	释义
dinosaur 名词	/ˈdaɪnəsoɹ/	恐龍 /恐龙
asteroid 名词	/ˈæst(ə)ɹɔɪd/	小行星
atmosphere 名词	/ˈætməsˌfɪɹ/	大氣 /大气, 氣圈 /气圈
blast 名词	/blæst/	疾風 /疾风
continent 名词	/ˈkɑntɪnənt/	大陸 /大陆
debris 名词	/ˈdɛbɹi/	殘骸 /残骸, 瓦礫 /瓦砾
tsunami 名词	/(t)suːˈnɑːmi/	海嘯 /海啸
acid 名词	/ˈæsɪd/	酸
breathe 动词	/bɹiːð/	呼吸, 吸
ecosystem 名词	/ˈikoʊˌsɪstəm/	生態系 /生态系, 生態系統 /生态系统
extinction 名词	/ɪkˈstɪŋkʃən/	滅絕 /灭绝
shock 名词	/ʃɔk/	衝擊 /冲击
encourage 动词	/ɪnˈkʌɹ.ɪd͡ʒ/	鼓勵 /鼓励, 激勵 /激励
flower 名词	/ˈfloʊɚ/	хуа, хуар
dust 名词	/dʌst/	чынтў, хуэйтў

视频中出现的短语动词

单词	释义
check out 动词	退房
back down 动词	做出讓步 /做出让步
go out 动词	出, 出口
go through 动词	通過 /通过
run around 动词	忙碌, 奔忙

需要注意的发音

说话人用了 24 次缩略和弱读形式，例如 didn't, weren't, don't。请按听到的简短形式来说。

“th” 音: breathe /bɹiːð/, bloodthirsty /ˈblʌdˌθɚsti/, otherworldly /ˌʌðəɹˈwɜɹl(d)li/, photosynthesis /ˌfoʊ.toʊˈsɪn.θə.sɪs/
“sh” 和 “zh” 音: extinction /ɪkˈstɪŋkʃən/, shock /ʃɔk/, destruction /dɪsˈtɹʌkʃən/, harsh /ˈhɑɹʃ/, recommendation /ˌɹɛkəmɛnˈdeɪʃən/
长单词——注意重音位置: ecosystem /ˈikoʊˌsɪstəm/, incredibly /ɪŋˈkɹɛdɪbli/, recommendation /ˌɹɛkəmɛnˈdeɪʃən/, diameter /daɪˈæmɪdɚ/, devastated /ˈdɛv.əˌsteɪ.təd/

如何用这段视频练习

先完整听一遍视频，不要开口，记下不认识的单词。
用正常速度逐句跟读，每句重复到你的节奏与说话人一致为止。
录下自己的声音并与原声对比，特别注意 dinosaur, asteroid, atmosphere 这类单词。

视频中的语法

说话人最常用的结构，并附上视频中的原话：

结构	视频中的用法
被动语态 be + 过去分词 — 强调发生了什么，而不是谁做的	was headed · weren't immediately obliterated · weren't incinerated
现在完成时 have/has + 过去分词 — 过去发生但与现在仍有关联的事	has ever seen · we've done

什么是跟读法？

跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。

影子跟读法: 阅读完整分步指南 →

跟读练习: What Happened After the DEADLIEST Asteroid Hit Earth? - 通过视频学习英语口语

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