Prática de Shadowing: How Does Daylight Saving Time Work? ⏰ | Why Do We Change Clocks? | Dr. Binocs Show - Aprenda a falar inglês com vídeo
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Come on, get started!
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Oh, what happened little kitty?
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My clock has been stuck for an hour!
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Ha ha ha!
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It hasn't stopped.
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It just switched back from daylight saving time.
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What's that?
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Well, to answer that, let me answer a question.
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Why do we have
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Daylight Saving Time?
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Zoom in!
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Before modern electric lighting became widely available, natural daylight was essential to everyday life.
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Yes, its timing did not always match people's schedules.
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In summer, the sun rose early and set late, giving people long hours of daylight.
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But some of that morning light arrived while people were still asleep.
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And by the time they finished work and had time for other activities, darkness was approaching.
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If they wanted to continue working or spend time outside,
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they had to rely on artificial light such as candles or oil lamps, which required fuel and resources.
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This led to a simple question.
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Could people organize their clocks differently so that more daylight fell during the hours when they were awake and active?
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One early idea came from Benjamin Franklin.
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In 1784, while living in Paris,
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Franklin jokingly wrote about getting up earlier to make better use of sunlight and save candles.
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He did not propose changing clocks, but his essay highlighted the potential of making better use of natural daylight.
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More than a century later, a New Zealand insect collector,
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George Hudson, wanted more daylight after work for his hobby.
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In 1895, he proposed shifting clocks during part of the year.
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William Willett later promoted a similar idea in Britain,
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campaigning in 1907 for clocks to be moved forward so that more daylight could fall in the evening.
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The idea became practical during the First World War.
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In 1916, Germany and Austria -Hungary introduced seasonal clock changes,
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partly to conserve fuel by reducing the need for artificial lighting.
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Other countries followed and the United States adopted daylight saving time in 1918 as a wartime measure.
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but what actually happens
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when the clocks change in the united states for example the sun might naturally rise at 5 am
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and set at 7 pm during summer most people are still asleep at 5 am
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while many are awake and active at 7 pm when daylight saving time begins in spring the clock moves forward one hour.
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Sunrise is then shown as 6 a .m.
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and the sunset as 8 p .m.
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The sun has not changed and no daylight has been created.
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Only the clock has changed.
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The idea was that this extra hour of evening daylight could give people more time for outdoor activities,
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shopping, travel, exercise and social life while also reducing the need for artificial lighting.
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But modern research shows that the energy effects are more complicated.
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Lighting is only one part of energy use.
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Heating, cooling, transportation and changes in daily behavior can also affect the overall result.
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And changing the clock comes with its own challenges.
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Moving it forward in spring can reduce sleep and temporarily disrupt the body's internal timing.
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Research has found associations between the spring transition and changes in road safety and workplace injuries.
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When clocks move back to their original time in autumn, people gain an hour of sleep,
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but darkness arrives earlier in the evening.
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So, this process often gets a mixed review.
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Trivia Time!
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Did you know, in the United States,
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DST starts on the second Sunday in March and ends on the first Sunday in November?
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Also, less than 40 % of countries worldwide use TST.
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It's sketching time.
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Today's sketch of the day goes to...
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Moo -Nee.
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Hope you learned something useful today.
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Until next time, it's me, Dr. Binox, zooming out.
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Saving daylight or not, Kitty's going to sleep anyway.
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Never mind.
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Vocabulário e dicas de fala para esta lição
Esta aula de conversação usa o vídeo “How Does Daylight Saving Time Work? ⏰”. As palavras que mais se repetem: daylight, clock, hour, saving, lighting. Este vídeo tem 63 frases e 610 palavras para praticar shadowing. A fala dura 5:57. O falante fala devagar, cerca de 102 palavras por minuto, o que dá tempo para imitar cada som. Apenas 81% 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:
| Palavra | Pronúncia | Significado |
|---|---|---|
| daylight substantivo | /ˈdeɪˌlaɪt/ | luz do dia/sol |
| clock substantivo | /klɑk/ | velocímetro |
| artificial adjetivo | /ˌɑː.tɪˈfɪʃ.əl/ | artificial |
| arrive verbo | /əˈɹaɪv/ | chegar |
| asleep adjetivo | /əˈsliːp/ | dormindo |
| darkness substantivo | /ˈdɑɹk.nɪs/ | escuridão, trevas |
| awake verbo | /əˈweɪk/ | acordar, despertar |
| sketch substantivo | /ˈskɛt͡ʃ/ | esboço, rascunho |
| propose verbo | /pɹəˈpəʊz/ | propor |
| candle substantivo | /ˈkæn.dəl/ | vela |
| zoom verbo | /zuːm/ | zumbir |
| naturally advérbio | /ˈnæt͡ʃ.(ə.)ɹə.li/ | naturalmente |
| practical adjetivo | /ˈpɹæk.tɪ.kəl/ | prático |
| complicated adjetivo | /ˈkɑm.plɪˌkeɪ.tɪd/ | complicado |
| everyday adjetivo | /ˈɛvɹiˌdeɪ/ | cotidiano |
Phrasal verbs que você vai ouvir
| Palavra | Significado |
|---|---|
| move forward verbo | adiantar |
| get up verbo | subir |
Gramática neste vídeo
As estruturas que o falante mais usa, com as palavras exatas do vídeo:
| Estrutura | No vídeo |
|---|---|
| Present perfect have/has + particípio passado — uma ação passada que ainda importa agora | has been stuck · hasn't stopped · has not changed |
| Voz passiva be + particípio passado — o foco está no que acontece, não em quem faz | has been stuck · be moved · is then shown |
Pronúncia para ficar de olho
- Os sons de “sh” e “zh”: artificial /ˌɑː.tɪˈfɪʃ.əl/, transition /tɹænˈzɪʃ.ən/
- Palavras longas — acerte a sílaba tônica: artificial /ˌɑː.tɪˈfɪʃ.əl/, naturally /ˈnæt͡ʃ.(ə.)ɹə.li/, complicated /ˈkɑm.plɪˌkeɪ.tɪd/, differently /ˈdɪf.ə.ɹənt.li/, temporarily /ˌtɛmpəˈɹɛɹəli/
Sons difíceis para falantes de português:
- Consoante final — sem acrescentar um “i” depois: daylight /ˈdeɪˌlaɪt/, clock /klɑk/, asleep /əˈsliːp/, awake /əˈweɪk/, complicated /ˈkɑm.plɪˌkeɪ.tɪd/
- /l/ final — a língua toca o céu da boca, não vira “u”: artificial /ˌɑː.tɪˈfɪʃ.əl/, candle /ˈkæn.dəl/, practical /ˈpɹæk.tɪ.kəl/, seasonal /ˈsiːzənəl/
- /h/ — um sopro suave, diferente do “r”: highlight /ˈhaɪˌlaɪt/, hobby /ˈhɑ.bi/
Como praticar com este vídeo
- Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
- Faça shadowing frase por frase na velocidade normal, repetindo cada uma até o seu ritmo ficar igual ao do falante.
- Grave a sua voz e compare com o original, prestando atenção a palavras como daylight, clock, artificial.
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.