跟讀練習: Science hacks for crispy snacks - 通過影片學習英語口語

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If you aren't getting that sound in your own kitchen, pull up a stool.

Because we are breaking down the science of crispy.

This is Minute Food.

There is nothing more disappointing than a limp spring roll or a soft french fry.

Crispiness makes or breaks these foods.

But in order to achieve crispy, you need to understand what it is.

Scientists test and quantify crispiness in all sorts of ways.

But it pretty much comes down to how loudly a food fractures.

There's disagreement about how different crispiness is from crunchiness, and we can debate that somewhere else.

But here, I'm going with crispy.

Anyway, there are two main qualities that make food more likely to do that loud, fracture-y thing we love so much.

The first is that the food, at least the surface of the food, has been dehydrated.

It's dried out.

And the second quality is that it's porous.

There's some space inside.

If you want to get ultimate crispiness at home, you need to consider and maximize these qualities.

Now, crispy foods can take lots of different forms.

I mean, here's a tiny subset of the crispy-liciousness out there.

But most often, they're fried, like my go-to guilty pleasure, fried pickles.

There's a reason we associate fried stuff with crispiness.

See, when you drop your food in hot oil, the bubbles that erupt from the food aren't the oil boiling.

They're moisture in the food that's gotten so hot that it vaporizes and escapes.

And as it escapes, it creates tunnels and pockets and crevices.

So with each bubble, you're dehydrating the surface of the food and creating spaces.

The two crisp-making qualities.

This is why frying is so good at making stuff crispy.

Or why it can be if you keep those crisp-making qualities in mind.

Like, say you're using batter.

Use it to boost that airspace.

You can add a leavener, like baking powder, or even some frothy beer to help form a network of beautiful airy bubbles.

And while we're talking booze, throw a little vodka in your batter too.

Alcohol is really volatile and will basically explode when it heats up, leaving behind big airy spaces.

If you're on team breading, choose large irregular shapes like panko.

Those flakes will form a big loose complex, giving you tons of nooks, crannies, and spaces.

And panko itself is full of nooks, crannies, and spaces, compounding its airiness.

Now once you're ready to fry, come in hot.

Because hot oil makes water evaporate more quickly, dehydrating the food more efficiently and creating more and larger air spaces.

So wait until your oil is nice and hot.

Use a pan that holds heat well, like cast iron.

That way the temp won't drop too much when you add the food.

And don't crowd the pan.

Fry in small batches.

And if you've ever noticed that your second batch is crispier than your first, you're onto something.

As you use oil, it breaks down and creates surfactants.

Essentially, molecules that help oil make better contact with food.

And more contact with food means more dehydration and more airy spaces.

So you'll actually get crispier food with oil that's already been used.

Up to a point.

Food that's been used too many times, say six or so, will have too many surfactants.

Food will get too dried out.

At that point, get rid of the oil.

But save a little bit to break in your new oil.

About a tablespoon of old stuff per cup of new stuff will help replicate that second batch sweet spot.

Now your food is cooked.

But your quest for crispiness isn't over.

Almost immediately, moisture inside the food will start creeping outside, rehydrating that surface you worked so hard to dehydrate.

That's one reason lots of restaurants fry their foods twice.

A second bath in hot oil removes additional moisture and adds even more air space, doubling down on crispiness.

If you've got the time at home, a double fry is worth a try.

Alternatively, until you're ready to serve, put the food on a metal rack in a low oven to drive away any of that creeping moisture.

That's assuming you can actually wait.

Because by maximizing these crisp-making qualities, you're going to have some gloriously loud, fracture-y food.

Of course, crispiness isn't the only thing that makes fried food awesome.

And maybe we'll chew on some of the other important stuff another time.

But for now, I'm gonna go eat these pickles.

Mmm. So good.

When we make minute food videos, we spend a lot of time making sure we're representing stuff in a way that clearly conveys what's important.

Like here we wanted to focus on the bonds within molecules, but here we wanted to emphasize structural similarity.

So we chose to represent the molecules in different ways.

The folks at our sister channel, MinuteEarth, have actually spent lots of time thinking about molecular representations, so much that they created an entire course about it over at Brilliant.

In this course, like all the other great courses at Brilliant, you can learn interactively at your own pace in a low-pressure environment.

is my first stop when I'm working on a video and need to get up to speed on new concepts.

You can get started there for free.

Just visit brilliant.org slash minute food or click on the link in the description.

The first 200 of you will get 20% off Brilliant's annual premium subscription.

And make sure to check out the awesome molecules course.

It'll change how you think about chemistry.

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FOR YOU

本課的詞彙與口語要點

這節 B2 級別的口語課以影片“Science hacks for crispy snacks”為素材。影片中反覆出現的詞有：oil, crispiness, space, crispy, hot。這段影片共有 77 個句子、942 個單詞可供跟讀。講話部分時長為 5:09。說話人語速較快，每分鐘約 183 個詞，會出現較多連讀和弱讀。只有 78% 的單詞屬於英語最常用的 3,000 詞，詞彙難度較高。

影片中的重點詞彙

影片中最難的 15 個單詞，附發音和釋義：

單詞	發音	釋義
crispy 形容詞	/ˈkɹɪs.pi/	脆的
fry 動詞	/fɹaɪ/	煎, 炒
molecule 名詞	/ˈmɑ.lɪ.kjul/	分子
moisture 名詞	/ˈmɔɪs.t͡ʃɚ/	濕氣 /溼氣
fracture 名詞	/ˈfɹæk.t͡ʃʰəː/	骨折
batch 名詞	/bæt͡ʃ/	批次, 批
bubble 名詞	/ˈbʌbəl/	泡, 氣泡 /氣泡
nook 名詞	/nʊk/	角落
pickle 名詞	/ˈpɪkəl/	醃菜 /醃菜, 鹹菜 /鹹菜
surfactant 名詞	/səɹˈfæktənt/	表面活性劑 /表面活性劑, 介面活性劑 /介面活性劑
maximize 動詞	/ˈmæksəmaɪz/	最大化
airspace 名詞		領空 /領空, 空域
crevice 名詞	/ˈkɹɛvɪs/	縫隙
dehydration 名詞	/dihaɪˈdɹeɪʃən/	脫水 /脫水
evaporate 動詞	/ɪˈvæp.ə.ɹeɪt/	蒸發掉 /蒸發掉, 揮發 /揮發

影片中出現的短語動詞

單詞	釋義
break down 動詞	壞了 /壞了, 出故障
check out 動詞	退房
drive away 動詞	趕走 /趕走
get up to 動詞	幹 /幹, 做
heat up 動詞	加熱 /加熱
leave behind 動詞	遺棄 /遺棄

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
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	has been dehydrated · you've ever noticed · that's already been
被動語態 be + 過去分詞 — 強調發生了什麼，而不是誰做的	has been dehydrated · is cooked

需要注意的發音

說話人用了 26 次縮略和弱讀形式，例如 you're, I'm, aren't。請按聽到的簡短形式來說。

“sh” 和 “zh” 音: dehydration /dihaɪˈdɹeɪʃən/, subscription /səbˈskɹɪpʃən/, structural /ˈstɹʌk(t͡)ʃəɹəl/
長單詞——注意重音位置: dehydration /dihaɪˈdɹeɪʃən/, evaporate /ɪˈvæp.ə.ɹeɪt/, similarity /ˌsɪm.ɪˈlæɹ.ɪ.ti/, disagreement /dɪsəˈɡɹiːmənt/, irregular /ɪˈɹɛɡ.jə.lɚ/

中文母語者容易讀錯的音：

/v/ — 不要讀成 /w/，上齒輕觸下唇: crevice /ˈkɹɛvɪs/, evaporate /ɪˈvæp.ə.ɹeɪt/, volatile /ˈvɑ.lə.təl/, alternatively /ɔlˈtɝ.nə.tɪv.li/, vodka /ˈvɑdkə/
詞尾子音 — 要讀清楚，後面不要加母音: dehydrate /diːhaɪˈdɹeɪt/, crisp /kɹɪsp/, batch /bæt͡ʃ/, nook /nʊk/, surfactant /səɹˈfæktənt/
/r/ 和 /l/ 的區別: replicate /ˈɹɛplɪkeɪt/, similarity /ˌsɪm.ɪˈlæɹ.ɪ.ti/, irregular /ɪˈɹɛɡ.jə.lɚ/, molecular /məˈlɛk.jə.ləɹ/, structural /ˈstɹʌk(t͡)ʃəɹəl/

如何用這段影片練習

先完整聽一遍影片，不要開口，記下不認識的單詞。
先用 0.75 倍速逐句跟讀，熟練之後再回到正常速度。
錄下自己的聲音並與原聲對比，特別注意 crispy, fry, molecule 這類單詞。

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: Science hacks for crispy snacks - 通過影片學習英語口語

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