Prática de Shadowing: How To Extract Your DNA At Home 😮 - Aprenda a falar inglês com vídeo

Escolha um modo de prática

Cada modo abre uma sala de prática em tela cheia.

8 frases
Se as frases estiverem muito curtas ou longas, clique em Edit para ajustá-las.
1
Take a sip of salt water, then swish it around your mouth really hard.
2
As it moves across your cheeks, it scrapes off thousands of loose cells.
3
Now spit the water into a cup and add a little dish soap.
4
The soap works the same way it does on dishes, breaking apart fat and grease.
5
And since the outside of your cells is wrapped in a fatty membrane, they split open.
6
Your DNA leaks out into the liquid, but you still can't see it.
7
So next, gently pour cold rubbing alcohol on top, which will pull the DNA out of the water and make the tiny strands clump together.
8
After a few minutes, you'll see cloudy white strings floating in the cup, and that is your DNA.

Baixar aplicativo

Tudo o que você precisa para falar fluentemente

Pronúncia com IANota em cada frase
Prática de IPADomine cada som
VocabulárioMonte seu banco de palavras
Jogo de vocabulárioAprenda brincando
Escaneie o QR
Escaneie o QR
Download on theApp StoreGet it onGoogle Play

Mesmo canal

How Your Brain Filters What You See 🤔B2
158

How Your Brain Filters What You See 🤔

Daily ConversationWorking Adults
The Puber 😣 (Patent Pending)B2
3

The Puber 😣 (Patent Pending)

Daily ConversationUniversity StudentsWorking Adults
How A Cookie Fits Through A Tiny Hole 🤔B1
4

How A Cookie Fits Through A Tiny Hole 🤔

TeensDaily Conversation
The Hidden Danger Of Bionic Vision 😨B2
4

The Hidden Danger Of Bionic Vision 😨

IELTS PrepTOEFL PrepUniversity Students
Can You Taste Garlic With Your Feet? 🤨B1
2

Can You Taste Garlic With Your Feet? 🤨

High School StudentsUniversity Students
How To Make Gummy Bear S’mores 🤤B1
4

How To Make Gummy Bear S’mores 🤤

TeensDaily ConversationHigh School Students
Does Your Family Tree Outgrow Earth? 🤯B1
3

Does Your Family Tree Outgrow Earth? 🤯

TeensDaily Conversation
How Scammers Fake Solid Gold Bars 😮B2
2

How Scammers Fake Solid Gold Bars 😮

University StudentsWorking Adults
How An Alter Ego Helps You Focus 🤔B1
2

How An Alter Ego Helps You Focus 🤔

Business EnglishUniversity StudentsWorking Adults
How The Multiplane Camera Works 🤔B1
2

How The Multiplane Camera Works 🤔

Daily ConversationWorking Adults
13 Unreleased Videos I Thought Would Go ViralB1
5

13 Unreleased Videos I Thought Would Go Viral

Daily ConversationUniversity StudentsWorking Adults
The Best Way To Dice An Onion 😮B1
3

The Best Way To Dice An Onion 😮

Daily ConversationHigh School StudentsUniversity Students
This Is Why It's Called "Bluetooth" 🤔 (EXPLAINED)B1
3

This Is Why It's Called "Bluetooth" 🤔 (EXPLAINED)

University StudentsWorking Adults
How Pool Chalk Works 🤔B1
2

How Pool Chalk Works 🤔

University StudentsWorking Adults
He Turned A Coin Into A Beating Heart 😮B1
3

He Turned A Coin Into A Beating Heart 😮

High School StudentsUniversity Students
How The Barney Suit Worked 😮B1
3

How The Barney Suit Worked 😮

High School StudentsUniversity Students
How Fossilization Works 🤔C1
4

How Fossilization Works 🤔

University StudentsWorking Adults
How They Clear Out A Hockey Rink 😮B1
1

How They Clear Out A Hockey Rink 😮

High School StudentsUniversity Students
How An AC Unit Works ❄️🤔B1
3

How An AC Unit Works ❄️🤔

University StudentsWorking Adults
The Boy Who Lived In Walmart 😳B1
1

The Boy Who Lived In Walmart 😳

TeensDaily Conversation
FOR YOU

Vídeo recomendado

A Day in My Life 9: Doing the DishesA2
14
22 frases

A Day in My Life 9: Doing the Dishes

American AccentDaily ConversationUniversity StudentsWorking Adults
Your Skeleton Is ElectricB2
31
13 frases

Your Skeleton Is Electric

Daily ConversationUniversity StudentsWorking Adults
4 How to use PCR and qPCRC1
1
239 frases

4 How to use PCR and qPCR

Daily ConversationUniversity Students
How Distillation Columns Separate ChemicalsC1
1
14 frases

How Distillation Columns Separate Chemicals

Daily ConversationUniversity Students
The Hidden Organization Inside Every Cell You OwnB1
1
33 frases

The Hidden Organization Inside Every Cell You Own

TOEFL PrepUniversity Students
Why You Should Boil Your Tofu | Food Scientist ExplainsB1
6
9 frases

Why You Should Boil Your Tofu | Food Scientist Explains

Daily ConversationUniversity StudentsWorking Adults
Seed Germination #shortsB1
3
14 frases

Seed Germination #shorts

High School StudentsUniversity Students
How to Make an ElectromagnetB1
4
13 frases

How to Make an Electromagnet

Daily ConversationHigh School StudentsUniversity Students
What is DNA and How Does it Work?B1
3
5 frases

What is DNA and How Does it Work?

Daily ConversationUniversity StudentsWorking Adults
Coral Bleaching: A Marine Biologist ExplainsB2
4
38 frases

Coral Bleaching: A Marine Biologist Explains

American AccentBritish AccentIELTS PrepUniversity StudentsWorking Adults

Vocabulário e dicas de fala para esta lição

Esta aula de conversação de nível B1 usa o vídeo “How To Extract Your DNA At Home 😮”. Este vídeo tem 8 frases e 127 palavras para praticar shadowing. A fala dura 0:43. O falante fala em ritmo natural, cerca de 176 palavras por minuto, próximo de uma conversa do dia a dia.

Vocabulário principal deste vídeo

As 15 palavras mais avançadas do vídeo, com pronúncia e significado:

PalavraPronúnciaSignificado
soap substantivo/soʊp/sabão, sabonete
dish substantivo/dɪʃ/prato, louça
scrape verbo/skɹeɪp/arranhar, raspar
cloudy adjetivo/ˈklaʊ̯diː/nublado
strand substantivo/ˈstɹænd/cordel
grease substantivo/ɡɹis/gordura, graxa
membrane substantivo/ˈmɛm.bɹeɪn/membrana
spit verbo/spɪt/cuspir
float verbo/fləʊt/boiar, flutuar
cheek substantivo/t͡ʃiːk/bochecha, nádega
rub verbo/ɹʌb/esfregar
gently advérbio/ˈd͡ʒɛntli/gentilmente
leak substantivo/liːk/vazamento, fuga
pour verbo/poɹ/despejar, entornar
wrap verbo/ɹæp/embalar, empacotar

Gramática neste vídeo

As estruturas que o falante mais usa, com as palavras exatas do vídeo:

EstruturaNo vídeo
Voz passiva be + particípio passado — o foco está no que acontece, não em quem fazis wrapped
Orações relativas who / which + oração — informação extra sobre uma pessoa ou coisatop, which will
Futuro com “will” will + verbo — uma decisão, promessa ou previsãowill pull · you'll see

Pronúncia para ficar de olho

Sons difíceis para falantes de português:

  • Consoante final — sem acrescentar um “i” depois: soap /soʊp/, scrape /skɹeɪp/, strand /ˈstɹænd/, spit /spɪt/, float /fləʊt/
  • s + consoante no início — sem um “i” antes: scrape /skɹeɪp/, strand /ˈstɹænd/, spit /spɪt/

Como praticar com este vídeo

  1. Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
  2. Comece na velocidade 0,75×, faça shadowing frase por frase e volte à velocidade normal quando ficar fácil.
  3. Grave a sua voz e compare com o original, prestando atenção a palavras como soap, dish, scrape.

O que é a Técnica de Shadowing?

Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.

Técnica de shadowing: leia o guia completo passo a passo →