跟讀練習: How To See Germs Spread Experiment (Coronavirus) - 通過影片學習英語口語

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- I've always thought if we could somehow just see the germs around us, everyone will be a lot more careful and we'd get sick way less.

Unfortunately, that's still not possible.

So I did the next best thing by running a daylong experiment in this third-grade classroom.

I found this powder called Glo Germ.

And just like real germs, when it's on your hands, you can't see it.

But unlike real germs, if you turn a black light on, it becomes visible.

But it transfers to things you've touched, so it provides a really good way to visualize exactly how germs spread.

So before the kids arrived, as a control, I went around and noted any preexisting spots in the room that fluoresced under the black light.

And then it was go time.

The kids, of course, had no idea what we were doing and that the teacher had been secretly infected with the glowing powder.

So she randomly shook the hands of three kids but didn't touch any of the rest.

And so with that, they just went about their normal day.

At break, I did choose one random student, and he agreed to letting me put some of the powder on his hands too.

And then two hours later at lunchtime, I checked the results.

Remember, everything you see here started with just the teacher and one student having a little of that powder on their hands.

And because my flashlight can only illuminate one spot at a time, I used Photoshop to better visualize our observations of where germs were left behind, including on the other kids.

Uh-oh! We're pretty hot over here!

Oh, right here.

And they were actually pretty diligent about washing their hands.

This was the desk of the kid that was infected.

And what's crazy is that germs could live on a hard surface like this for up to nine days.

And so you can see how important it is to disinfect the things a sick person regularly touches.

For example, this was the phone of the teacher in the experiment.

Even if you wash your hands really often, if you immediately pull out your phone, a lot of those germs just go right back on your hands.

Think about when the last time was that you cleaned your phone.

My friend Joanna at "The Wall Street Journal" recently demonstrated you can clean your phone with an antibacterial wipe every day for at least a year and it doesn't affect the oleophobic coating at all.

And this hopefully gives you a better mental model of why it's really important to wash your hands or use hand sanitizer after being at places like this or this or this or this.

Cleaning commonly touched surfaces is important because even if a virus is spread through airborne transmission, those tiny droplets don't stay in the air for long.

Then they land on surfaces, waiting to be touched by our hands.

Which raises an important point.

The ultimate defense against catching a virus is just don't touch your face.

Your eyes, nose, and mouth are like the single weak spot on the Death Star when it comes to viruses.

That's the only way they can get in to infect you.

But as you can see here, not touching your face is easier said than done.

And before you think, "Yeah, well, that's just kids for you," this was what the teacher's face looked like at the end of the day.

And she said she tried extra hard to remember not to touch her face.

I found this result fascinating, so I put the powder on my own hands for a few hours.

And I resisted the urge to touch my face so many times that I fully expected I was going to have a perfectly clean face and the moral high ground.

And then this is what I saw.

What the heck?

I genuinely have no idea when any of this came on.

Until I reviewed the footage.

Oh, well, there you go.

On average, we touch our face 16 times an hour, which is why washing hands is so important.

It's impossible to catch a virus directly through your hands.

It's as futile as shooting the outer surface of the Death Star.

The problem is, we use our hands to help the virus out by constantly giving it a ride to our figurative Death Star exhaust ports.

Because of this, I ran another experiment with some of the kids after lunch.

First, I had them put some lotion on their hands that also glows under a black light.

But then I told them I made a mistake and used the wrong lotion.

Could you guys just go wash your hands real quick?

And do a good washing, right?

- 20 seconds. - Yeah.

Do the right washing, okay?

I just tricked you guys again, because what I really wanted to do is test how good you are at washing your hands.

So guess what I'm gonna do now?

- What?

- Show me your hands.

But before I show you how effective they actually were at washing their hands, here's what you should quickly know about viruses.

They're super tiny, but also the most abundant biological entity on the planet.

In fact, there's over 10 million viruses in any single drop of sea water.

And a lot of types of viruses are beneficial to the planet's ecosystem, and only an insanely tiny percentage affect humans at all.

And they're really simple.

Viruses are basically a shell with some DNA inside, and they just wanna spread and duplicate.

That's their only goal.

But they're so simple that they need a host to do that.

So they reproduce by infecting their host cells and then trick them to become factories that just make more exact copies of the virus.

When you get sick and then cough or sneeze or wipe your nose and then touch a surface, you're putting copies of this virus out to find other hosts and just repeat the process.

And so here's what the kids' hands look like after washing their hands.

Uh-oh, look at the backs. Let me see your fingernails!

Oh, look at all those germs!

Oh, your thumb!

- Oh, my hand- - Oh, look at your wrist!

Look at your wrist!

We all sort of have a habitual way of washing our hands.

So once again, I tried this myself using the typical quick way I do it in my muscle memory.

Granted, that's better than nothing, but you could see the difference compared to when I was deliberate and took 20 seconds, which is why it helps to do things like sing the "Happy Birthday" song twice, or you could do what I do and follow Brandon Flowers' example.

Jealousy, turning saints in Eager eyes 'Cause I'm Mr. Brightside - And then for a final experiment, I wanted to show how dumb handshaking is.

So I infected the first kid with the powder and then had them do a handshake chain down the line.

The fifth person here still had significant traces on their hand, so I put him at the first and lined four more kids up after him, and three of their hands glowed.

So we got trace germs from the original person all the way down eight handshakes later.

So if you ever meet me in real life, please don't be offended if in lieu of a handshake I offer you a fist bump and a selfie. In conclusion, what does this all mean with regards to the coronavirus COVID-19?

You should be concerned and take this seriously, but regardless of what you see in the coming weeks, there's absolutely no need to panic.

As I'm sure you've heard a bunch by now, our goal is to flatten the curve so that reported cases stay just under the capacity of the healthcare system, and social distancing is the best knob that we can turn to affect that.

The reason this helps should hopefully make more sense after watching this video, especially for those who have been doubting the science and feeling like this is an extreme reaction.

And my take here is I'm a practical optimist.

The upside is while this virus is bad, it could be way worse.

And this gives us a chance as a global community to get some systems and methods in place to handle something potentially even more drastic in the future.

Also, maybe it'll lead to changing some social norms, like replacing handshakes with fist bumps or when people are really sick thinking it's okay to mingle about and go to work.

Globally, the normal flu kills anywhere from a quarter to a half a million people a year due in large part to people not practicing good germ hygiene.

So if this experience makes people more socially aware of the right precautions to take when they get sick, that will save countless lives for years to come long after this coronavirus is old news.

And make no mistake, this is gonna be rough for some more than others, but history has shown that us humans are pretty resilient.

These types of things can bring out the worst in us, but they can also bring out the best, most wholesome parts of us, like these Italians practicing their social distancing with an impromptu balcony concert.

How we feel about the situation is largely dependent on just which part we choose to focus on.

For me, that means being grateful to the heroes in our healthcare system, or the school lunch ladies still providing free lunch for kids who depend on them, or the scientists all over the world who are working tirelessly seven days a week to create better testing methods in a vaccine.

This is gonna be a bumpy ride for us, but the economy will eventually bounce back, as it always does, and we'll be better off as a global community for having gone through this.

Again, take this seriously, but there's absolutely no need to panic.

We totally got this.

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背景與上下文

在這段影片中，講者展示了一個關於細菌傳播的實驗，他使用一種特殊的粉末來模擬細菌的擴散過程。通過這個實驗，孩子們能夠直觀地瞭解細菌是如何通過觸控和日常活動傳播的，並強調了勤洗手和保持衛生的重要性。這個實驗不僅富有教育意義，還引發了對於日常生活中安全衛生習慣的思考。

日常交流的五個關鍵短語

洗手的重要性 - "It's really important to wash your hands."
不觸碰臉部 - "Don't touch your face."
清潔表面 - "Cleaning commonly touched surfaces is important."
病毒的傳播方式 - "Viruses can spread through airborne transmission."
觀察細菌的擴散 - "Let’s observe how germs spread."

逐步影子跟讀指南

為了提高你的英語口語練習能力，並透過英語影子跟讀技術提升語音流利度，以下是針對這段影片的具體步驟：

觀看影片：首次觀看影片，專注於內容與畫面，不必太在意每個單字。
切分對話：將影片分成小部分，例如每段對話或每個主題，以便更容易跟隨。
逐句跟讀：使用shadow speech技術，重複講者的每句話，注意音調、語速與重音。這可以幫助你在發音上更接近母語者。
重播關鍵短語：特別重視上面提到的關鍵短語，反覆聆聽和練習，確保能夠正確發音及理解其上下文。
自我檢查：錄下你自己朗讀的聲音，並與影片中的聲音進行比較，以找出需要改進的地方。

透過這些步驟，你將能夠在日常交流中自信地使用這些重要短語，並且提高你的shadow speak技能。記得經常練習並保持耐心，持之以恆，你的口語能力將會有所提升！你也可以尋找其他shadowing site來進一步加強你的練習。

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	were left · was infected · is spread
現在完成時 have/has + 過去分詞 — 過去發生但與現在仍有關聯的事	I've always thought · you've touched · you've heard
定語從句 who / which + 從句 — 補充說明人或事物	hour, which is · seconds, which is · those who have

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: How To See Germs Spread Experiment (Coronavirus) - 通過影片學習英語口語

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背景與上下文

日常交流的五個關鍵短語

逐步影子跟讀指南

影片中的語法

什麼是跟讀法？