Prática de Shadowing: React Native in 100 Seconds - Aprenda a falar inglês com vídeo

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React Native.
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Write JavaScript and React to build apps for iOS, Android, and the web from a single code base.
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According to Atwood's law, any application that can be written in JavaScript will eventually be written in JavaScript.
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The first way JS developers tried to build mobile apps was
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by wrapping their native applications in a sandbox browser called a WebView, using tools like
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Apache Cordova and Adobe PhoneGap.
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The philosophy is write once, run anywhere.
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This works, but it can be hard to make a website feel like a true native experience.
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React Native takes a different approach.
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It feels just like
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React DOM for the web, but instead of using HTML and the DOM as building blocks for the UI,
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it uses the native components that you would find on iOS and Android.
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The philosophy is learn once, write anywhere.
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You can't just take your existing
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React web app and upload it to the App Store,
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but you can use the React skills you already have to build a native app without ever having to touch
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Java or Objective -C.
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Instead, you import building block components like button, switch, scroll view, and the most fundamental of which is view.
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At runtime, it will use the true native component on the corresponding platform, like UI view, Android dot view, or div on the web.
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It's like building three apps for the price of one, but in some cases, you may want a different visual experience based on the underlying OS.
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The platform module allows you to check which platform you're on and render different components accordingly.
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When it comes to visuals, there's no CSS in React Native.
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Instead, every core component takes a style prop that can be customized with a style sheet constructed from JavaScript.
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In development, it supports fast refresh, which means you can instantly see the changes you make to your code on any platform.
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You may also want to tap into native features like the device camera, push notifications, and geolocation.
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These concerns are handled by one of the most active open source communities on GitHub.
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There's open source packages for almost everything that can be installed with NPM just like any other JavaScript project, and there's frameworks like
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Expo that build on top of React Native Primitives to provide all the tooling required to ship your app to production.
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You can use
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React Native to build a complete mobile app or integrate it with existing iOS and Android projects.
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It's not an all -or -nothing solution.
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This has been React Native in 100 seconds.
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If you want to see more short videos like this, hit the like button and subscribe, and let me know if you want to see more
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React Native content in the comments.
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Thanks for watching, and I will see you in the next one.

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Vocabulário e dicas de fala para esta lição

Esta aula de conversação usa o vídeo “React Native in 100 Seconds”. As palavras que mais se repetem: native, React, app, Javascript, component. Este vídeo tem 35 frases e 473 palavras para praticar shadowing. A fala dura 2:17. O falante fala rápido, cerca de 208 palavras por minuto, então espere sons ligados e reduzidos. Apenas 79% das palavras estão entre as 3.000 mais comuns do inglês, por isso o vocabulário é exigente.

Vocabulário principal deste vídeo

15 palavras do vídeo que vale a pena aprender, com pronúncia e significado:

PalavraPronúnciaSignificado
component substantivo/kəmˈpoʊ.nənt/componente
package substantivo/ˈpæk.ɪd͡ʒ/pacote
skill substantivo/skɪl/habilidade, talento
sheet substantivo/ʃit/folha
fundamental adjetivo/ˌfʌn.dəˈmɛn.təl/fundamental
framework substantivo/ˈfɹeɪm.wɜːk/esqueleto, estrutura
instantly advérbio/ˈɪnstəntli/instantaneamente
developer substantivo/dɪˈvɛləpɚ/desenvolvedor, desenvolvedora
wrap verbo/ɹæp/embalar, empacotar
underlying adjetivoimplícito, subjacente
import substantivo/ˈɪm.pɔɹt/importados
accordingly advérbio/əˈkɔɹ.dɪŋ.li/correspondentemente, conformemente
subscribe verbo/səbˈskɹaɪb/assinar
upload verbo/ˈʌpˌloʊd/carregar, fazer upload
construct verbo/ˈkɑn.stɹʌkt/montar

Pronúncia para ficar de olho

  • Os sons de “sh” e “zh”: sheet /ʃit/, notification /ˌnoʊtɪfɪˈkeɪʃn̩/, refresh /ɹɪˈfɹɛʃ/
  • Palavras longas — acerte a sílaba tônica: fundamental /ˌfʌn.dəˈmɛn.təl/, developer /dɪˈvɛləpɚ/, accordingly /əˈkɔɹ.dɪŋ.li/, notification /ˌnoʊtɪfɪˈkeɪʃn̩/

Sons difíceis para falantes de português:

  • Consoante final — sem acrescentar um “i” depois: component /kəmˈpoʊ.nənt/, installed /ɪnˈstɔːld/, sheet /ʃit/, framework /ˈfɹeɪm.wɜːk/, wrap /ɹæp/
  • /l/ final — a língua toca o céu da boca, não vira “u”: skill /skɪl/, fundamental /ˌfʌn.dəˈmɛn.təl/, module /ˈmɑd͡ʒul/, scroll /skɹoʊl/
  • s + consoante no início — sem um “i” antes: skill /skɪl/, scroll /skɹoʊl/

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 component, package, skill.

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 →