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

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C, a statically typed procedural programming language famous for making the world go round.
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It's the language behind many tools we take for granted, like the Windows, Linux, and Mac operating system kernels, databases like MySQL, interpreters for languages like
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Python, tools like Vim and Git, and countless others.
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It was created in 1972 by Dennis Ritchie at Bell Labs, where it would be used to develop the Unix operating system.
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It would go on to become the mother of all languages, inspiring the syntax of C++, C Sharp, Java, JavaScript, Perl,
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and PHP, just to name a few.
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It compiles directly to machine code and requires minimal runtime support,
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but is platform -dependent, meaning the executable is designed to run on a specific operating system.
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It's a high -level language designed for humans, yet provides low -level control over memory and hardware.
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There's no garbage collector.
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Instead, your code needs to manage its own memory.
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When you create a variable, it's assigned an address in memory.
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You can store that address in another variable called a pointer.
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When the variable is no longer needed, you'll need to free it to avoid memory leaks.
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To get started, install a C compiler.
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A popular choice is the GNU C compiler, or GCC.
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Create a file ending in .c, include any libraries you plan to use, then add a main function to it.
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This is where your program will start executing.
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There's no function keyword, and notice how it returns an integer type.
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A return value of 0 means success, while a return value of 1 means failure.
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There are only a few basic types in C.
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Create a variable by starting with a type, followed by a name and value.
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Use printf to print the value to the standard output, or put an ampersand in front of it to reference its address in memory.
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There's no string type, but instead char, which represents a 1 -byte character stored as an integer.
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A string can be created with an array of characters.
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Each letter will have its own memory address and be terminated by a null character.
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Another approach is to start with a pointer by adding a star character in front of the type, then we can allocate 4 bytes to it.
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Now assign a character to each index, ending with the null character to create a string.
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When you no longer need that memory allocated to your program, use free to release it back to the computer's RAM.
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The language is procedural and does not support object -oriented features, although you can create your own complex data types using structs.
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Now compile your code to machine instructions for your operating system using the C compiler.
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This has been the C programming language in 100 seconds.
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Hit the like button and subscribe if you want to see more short videos like this.
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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 “C in 100 Seconds”. As palavras que mais se repetem: memory, language, character, type, create. Este vídeo tem 34 frases e 487 palavras para praticar shadowing. A fala dura 2:25. O falante fala rápido, cerca de 202 palavras por minuto, então espere sons ligados e reduzidos. Apenas 77% 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
variable adjetivo[ˈvæɹ.i.ə.bl̩]variável
string substantivo/stɹɪŋ/barbante, corda
assign verbo/əˈsaɪn/designar, atribuir
pointer substantivo/ˈpɔɪn.təɹ/ponteiro
procedural adjetivo/pɹəˈsiːd͡ʒ(ə)ɹəl/procedimental
output substantivo/ˈaʊtpʊt/produção
database substantivo/ˈdeɪtəˌbeɪs/banco de dados, base de dados
hardware substantivo/ˈhɑɹdˌwɛɹ/equipamento
dependent adjetivo/dɪˈpɛndənt/dependente
garbage substantivo/ˈɡɑɹ.bɪd͡ʒ/lixo
install verbo/ɪnˈstɔl/instalar
instruction substantivo/ɪnˈstɹʌkʃən/instrução
minimal adjetivo/ˈmɪn.ə.məl/mínimo, mínima
array substantivo/əˈɹeɪ/conjunto, traje
leak substantivo/liːk/vazamento, fuga

Pronúncia para ficar de olho

  • Palavras longas — acerte a sílaba tônica: procedural /pɹəˈsiːd͡ʒ(ə)ɹəl/, interpreter /ɪnˈtɝ.pɹɪ.tɚ/, executable /ˈɛksəkjutəbl/

Sons difíceis para falantes de português:

  • Consoante final — sem acrescentar um “i” depois: output /ˈaʊtpʊt/, dependent /dɪˈpɛndənt/, leak /liːk/, subscribe /səbˈskɹaɪb/, execute /ˈɛksɪˌkjuːt/
  • /l/ final — a língua toca o céu da boca, não vira “u”: null /nʌl/, procedural /pɹəˈsiːd͡ʒ(ə)ɹəl/, install /ɪnˈstɔl/, minimal /ˈmɪn.ə.məl/, kernel /ˈkɝ.nəl/

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 variable, string, assign.

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 →