跟讀練習: Fire in ZERO-G!! - 通過影片學習英語口語

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I'm about to experience weightlessness for the first time.

Oh my god! Oh my god that is so strange this is totally freaky this is way better than I expected I'm just gonna say that right now I'm going up to the ceiling and here we are.

I am ridiculously excited, because behind me is a Zero-G plane.

I'm in France, I was invited here by by the youtuber Bruce.

This is Bruce, Diana physics girl.

We are going - flying some parabolas- we're going into Zero-G It's gonna be awesome! C'mon The principle behind weightlessness is pretty simple, the plane and everything inside it just need to accelerate towards the earth at the same rate as a freely falling object in a vacuum.

That is 9.8 meters per second squared So, you can think of your body as this pen, and the plane as this bottle and when it's freely falling, there's no contact force between the pen and the bottle, and so the pen feels weightless.

So you might think the way to do this is just to put the plane into a dive.

But that's not actually how it works.

Instead, the plane starts climbing at a steadily increasing angle.

With no windows inside, it's impossible to tell that this is happening, and all you feel is pressed into the floor with a force 1.8 times your body weight.

This is because the plane's acceleration is directed upwards and perpendicular to the floor, and it makes standing very difficult - not only are you nearly twice as heavy, all the blood drains from your head and into your feet - which made me pretty dizzy. -Ah!

Haha! So weak... ugh -Lying on your back is much more comfortable, and we're advised not to move our heads around and look straight ahead, because in hyper-G our vestibular system is hypersensitive to movement, which can lead to motion sickness. And that's why this is sometimes called the vomit comet.

-I kind of like this. -It is fun, feels like someone lying on you -Yeah -Not like that.

Once the plane is climbing at about 50 degrees, the engines are ramped down, and the plane is put into a parabolic trajectory.

It's at this point that you start experiencing weightlessness. -I can feel myself getting lighter... oh that is such a strange feeling... that is so weird...

-The plane and you are still moving upward, but you are accelerating downward.

-There's Diana, she's the physics girl Then the plane peaks, and start speeding up again towards the Earth.

The whole time the plane is accelerating toward Earth with the same acceleration as a free falling object in vacuum, the pilots have to very skillfully adjust the thrust to perfectly balance air resistance, and maintain exactly this acceleration.

Oh, my goodness- how do you feel?

This is incredible.

So, it's like throwing this bottle into the air the pen inside experiences weightlessness from the time it leaves my hand, until it comes into contact again.

After 22 seconds of weightlessness, the pilots pull out of the dive again, subjecting us to hyper-g...

as the plane accelerate upwards.

In total, we have performed thirteen of these zero-g parabolas- plus, one martian gravity and two moon gravity parabolas.

Okay, we are now in Mars gravity.

In Mars gravity i can do one arm pull ups..

maybe. I am the martian.

We brought along some experiments to do in zero-g.

So, this is in about 1g, of gravity this are what the flame looks like on this barbecue lighter now we are gonna try it in hyper-g?

And then we'll try it in zero-g and it should be...

We will see... .

We take it for granted that flames had this distinctive shape.

But that only because of gravity.

The products of combustion have more energy and so, move around faster and take up more space than the cooler air around them.

Therefore, there is a buoyant force on them, which is greater than their weight- and so, hot air rises.

This helps pulling the oxygen from around the flame to continue the reaction.

We are going through hyper-g.

i keep blowing out the candle, because...

The, uhhh... stress of hyper-g is significant.

In hyper-g, this effect is magnified.

Since the effect of gravity is almost twice as much.

This amplifies the difference between the weight of the hot air, and the weight of the cooler air around it- and so, the hot air rises faster...

making, a longer flame.

Oh my goodness.

Look at that flame just...

in zero-g 'cause there is...

much less buoyant force, to carry away...

And so, the combustion is not as good you can see a lot of smoke.

coming off, of that candle.

And it's incredible.

So, we still have a gas flow so this is why the flame is not circular.

It is not a sphere, but it looks very strange.

In zero-g, the hot air is still less dense than the cooler air...

but, now there is no weight, and no buoyant force.

So, the flame doesn't rise as high.

This flame still maintain some if it shape, because of the flow of fuel from the lighter otherwise, the flame would form a sphere.

Like on the space station.

Where, it's very difficult to maintain the combustion reaction.

because it's hard for oxygen to access the fuel with all of the combustion products getting in the way.

So, if you're ever unsure about what the gravitational acceleration is where you are.

Well, looking at a flame is a pretty good way of finding out.

I also brought along a slinky, to try the slow motion slinky drop but, in zero-g.

Of course, here i couldn't dangle the slinky under it's own weight so, i swung it around my head instead.

The effect, should be similar with each coils stretch to provide the tension that keeps...

the length of slinky beyond that...

accelerating in uniform circular motion.

I wanted to see what happens to the end of the slinky, when i let go.

Here we go, 3, 2, 1.

Did you catch that?

The slinky remain fairly stretch out, and kept rotating at about the same frequency as before.

Initially, i thought this was a boring result.

But then i realized...

the reason the slinky doesn't contract, is because weight, was never part of this equation.

The slinky stretched out in the first place, because it was rotating.

And, since it's rotating after i let go...

roughly, the same amount of tension is required to maintain that circular motion.

And so, it doesn't contract.

In zero-g, it's possible to have a stretched slinky rotating in place, without contracting as long as the tension in the slinky provides the centripetal force, it will keep spinning.

This just goes against my intuition.

Which is, made of course...

only had of experiences with gravity.

Being weightless, was an unforgettable experience.

But, maybe my favorite part, was how it challenged my intuition.

And that's the reason, we need to do research, in zero-g.

I want to say a huge thanks, to the team at NovaSpace who made this an unforgettable experience.

And of course, Bruce who runs a french youtube channel, e-penser for inviting me.

You should really go check out his video from the zero-g experience, and of course Diana, the Physics Girl.

Go check out her video on zero-g here.

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關於本課

在本課中，您將與一段關於在零重力環境中體驗的YouTube影片進行跟讀練習。通過這段影片，您能夠感受到重量lessness的奇妙，並學習與重力、飛行及相關物理概念有關的英語表達。此次練習將幫助您提高英語口語流利度，增強發音，並加深對這些科學概念的理解。

重點詞彙和短語

weightlessness（無重力）
zero-G plane（零重力飛機）
hyper-G（超重力）
parabolic trajectory（拋物線軌跡）
buoyant force（浮力）
combustion（燃燒）
acceleration（加速度）
gravity（重力）

練習建議

在觀看影片時，建議您使用英語影子跟讀的技巧進行練習。儘量模仿影片中的語速和語調，以增強語音識別能力並改善發音。這個影片的語速相對較快，因此可以通過暫停和重放特定句子來幫助您更好地掌握髮音。此外，隨時使用shadow speech的方式，嘗試跟隨說話者的語氣和節奏。在不同的段落中，注意每個單詞的重音和語調，這將大大有助於您的口語能力提升。

對於希望在shadowing site上練習的人來說，這個影片提供了豐富的上下文和情境，讓您能夠在輕鬆愉快的氛圍中提升英語能力。觀看並重復這些短語，是一種有效的方式來學習科學英語，同時也能提高聽力和口語技能，幫助您更自信地使用英語。

通過在看YouTube學英語的平臺上進行這種實踐，您會發現自己逐漸能夠在不同場合中自如地使用這些專業術語和短語，極大豐富您的英語表達能力。

影片中的語法

說話人最常用的結構，並附上影片中的原話：

結構	影片中的用法
被動語態 be + 過去分詞 — 強調發生了什麼，而不是誰做的	was invited · is pressed · is directed
定語從句 who / which + 從句 — 補充說明人或事物	movement, which can · them, which is

什麼是跟讀法？

跟讀法 (Shadowing) 是一種有科學依據的語言學習技巧，最初開發用於專業口譯員的培訓，並由多語言者Alexander Arguelles博士普及。這個方法簡單而強大：您在聽英語母語原聲的同時立即大聲重複——就像是一個延遲1-2秒緊跟說話者的影子。與被動聽力或語法練習不同，跟讀法強迫您的大腦和口腔肌肉同時處理並模模擬實的講話模式。研究表明它能顯著提高發音準確性，語調，節奏，連讀，聽力理解和口語流利度——使其成為雅思口語備考和真實英語交流最有效的方法之一。

影子跟讀法: 閱讀完整分步指南 →

跟讀練習: Fire in ZERO-G!! - 通過影片學習英語口語

選擇練習模式

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關於本課

重點詞彙和短語

練習建議

影片中的語法

什麼是跟讀法？