Shadowing Practice: React Native in 100 Seconds - Learn English Speaking with Video

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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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Vocabulario y notas de pronunciación para esta lección

Esta lección de conversación se basa en el vídeo “React Native in 100 Seconds”. Las palabras que más se repiten: native, React, app, Javascript, component. Este vídeo tiene 35 frases y 473 palabras para practicar shadowing. La parte hablada dura 2:17. El hablante habla rápido, unas 208 palabras por minuto, así que espera sonidos enlazados y reducidos. Solo el 79 % de las palabras está entre las 3.000 más comunes del inglés, por lo que el vocabulario es exigente.

Vocabulario clave de este vídeo

15 palabras del vídeo que vale la pena aprender, con su pronunciación y significado:

PalabraPronunciaciónSignificado
component sustantivo/kəmˈpoʊ.nənt/componente
package sustantivo/ˈpæk.ɪd͡ʒ/paquete, kete
skill sustantivo/skɪl/destreza, habilidad
sheet sustantivo/ʃit/hoja, folio
fundamental adjetivo/ˌfʌn.dəˈmɛn.təl/fundamental, cimental
framework sustantivo/ˈfɹeɪm.wɜːk/entramado, armazón
instantly adverbio/ˈɪnstəntli/al instante, al tiro
developer sustantivo/dɪˈvɛləpɚ/desarrollador
wrap verbo/ɹæp/envolver, fajar
underlying adjetivosubyacente
import sustantivo/ˈɪm.pɔɹt/importación
accordingly adverbio/əˈkɔɹ.dɪŋ.li/en consecuencia, como corresponde
subscribe verbo/səbˈskɹaɪb/suscribirse, subscribirse
upload verbo/ˈʌpˌloʊd/subir, cargar
construct verbo/ˈkɑn.stɹʌkt/construir

Pronunciación a tener en cuenta

  • Los sonidos de “sh” y “zh”: sheet /ʃit/, notification /ˌnoʊtɪfɪˈkeɪʃn̩/, refresh /ɹɪˈfɹɛʃ/
  • Palabras largas — cuida el acento: fundamental /ˌfʌn.dəˈmɛn.təl/, developer /dɪˈvɛləpɚ/, accordingly /əˈkɔɹ.dɪŋ.li/, notification /ˌnoʊtɪfɪˈkeɪʃn̩/

Sonidos difíciles para hispanohablantes:

  • s + consonante al inicio — sin añadir una “e” delante: skill /skɪl/, scroll /skɹoʊl/
  • /v/ — no es /b/: los dientes tocan el labio inferior: developer /dɪˈvɛləpɚ/, java /ˈd͡ʒɑː.və/
  • /z/ — sonora, no /s/: browser /ˈbɹaʊ.zəɹ/, customize /ˈkʌs.tə.maɪ̯z/

Cómo practicar con este vídeo

  1. Escucha el vídeo entero una vez sin hablar y anota las palabras que no conoces.
  2. Empieza a velocidad 0,75×, haz shadowing frase por frase y vuelve a la velocidad normal cuando te resulte fácil.
  3. Grábate y compara con el original, prestando atención a palabras como component, package, skill.

¿Qué es la Técnica de Shadowing?

Shadowing es una técnica de aprendizaje de idiomas respaldada por la ciencia, desarrollada originalmente para la formación de intérpretes profesionales y popularizada por el políglota Dr. Alexander Arguelles. El método es simple pero poderoso: escuchas audio en inglés nativo y lo repites en voz alta de inmediato, como una sombra que sigue al hablante con solo 1-2 segundos de retraso. A diferencia de la escucha pasiva o los ejercicios de gramática, el shadowing obliga a tu cerebro y músculos de la boca a procesar y reproducir simultáneamente patrones de habla reales. Las investigaciones muestran que mejora significativamente la precisión de la pronunciación, la entonación, el ritmo, el habla conectada, la comprensión auditiva y la fluidez al hablar, convirtiéndola en una de las metodologías más efectivas para la preparación del IELTS Speaking y la comunicación en inglés en el mundo real.

Técnica de shadowing: lee la guía completa paso a paso →