Prática de Shadowing: TOEFL Listening Practice | Lecture | Wearable Computers - Aprenda a falar inglês com vídeo

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personal computers have become smaller yet increasingly more powerful today many daily
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Early activities involve mobile communication and computer access both in and outside the home.
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For some inventors, the next step is to integrate computers into accessories or into smart clothing, thus creating wearable computers.
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Martin Kelly reports.
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The concept of wearable computers is hardly innovative.
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Early attempts at manufacturing them produced clumsy results.
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The wearer had to wrap himself in wires
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or strap a strange -looking device to his forehead and carry a backpack of computer equipment.
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The technology didn't sell because in today's world, appearance is everything.
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However, today's wearable computers may provide the solution.
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Professor Tanya Carter is here to tell us more.
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Wearable technology is evolving so fast that it has become not only extremely convenient, but a fashion statement too. For example,
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handheld computers have been miniaturized enough to be strapped to the wrist like a watch not much larger than the average chronometer.
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Though limited in applications, it is only a matter of time before the watch has full computing capacity.
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This could eliminate the need to carry a laptop.
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And rather than attaching all kinds of objects to a jacket, researchers are creating state -of -the -art textiles with electronics built in.
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One such textile is composed of small patches of fabric into which minuscule computer chips have been embedded.
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These patches are assembled with Velcro that conducts electricity to create a purse similar in appearance to an ordinary leather purse.
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This purse provides you with information, such as the latest weather forecast.
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It can also keep track of your wallet via a minute radio signaling chip attached to the wallet.
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Sensors integrated into the purse's fabric transmit a message to alert you if the wallet is not inside.
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This purse even allows you to upload your favorite music onto your music player, which, incidentally, could soon be inside your scarf.
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I understand that scientists are creating accessories, but there are other innovations in the field of computer -integrated clothing, right?
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What kind of initiatives are underway to adapt wearable computers for use in fields like health and emergency services?
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Well, as monitors, wearable computers have many applications.
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For example, a smart armband registers data about the wearer's physical condition.
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It can help people lose weight by telling them how many calories they're burning at any given time during exercise.
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Doctors could also use it to monitor the well -being of the elderly and infants, too.
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One ingenious adaptation is a shirt made of a special fabric that has the capacity to analyze the wearer's heart rate,
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respiration, and other key health indicators.
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For example, it is being used today in medical research to examine the effectiveness of certain new heart treatments.
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And since it can measure stress levels and body heat,
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it could be used to monitor firefighters at a blaze or to allow a mother to check on her asthmatic child.
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Another wearable item
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that has proved remarkably helpful to runners who want to keep
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fit is a sensor embedded into the sole of their running shoes.
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The sensor relays information about the speed
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and the distance you've covered to your iPod
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and can change the music track to another song with a faster or slower tempo, thus encouraging you to accelerate your pace or reduce your speed.
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The sensor is invisible and the earphones are the same as the ones on a regular iPod.
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So fashion -wise, the wearer would not feel conspicuous.
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Obviously, as technology advances, so will the wearable computer.
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Ultimately, it could be a smart assistant that goes wherever we go, registering and analyzing data about us and our environment.
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Number 1.
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Why were the first wearable computers unsuccessful?
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Number two.
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What development has improved wearable computers?
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Number three.
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What is unusual about the new purse?
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Number 4.
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How have wearable computers helped medical research?
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Number 5.
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Why are wearable computers useful in fitness training?
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The wearer had to wrap himself in wires
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or strap a strange -looking device to his forehead and carry a backpack of computer equipment.
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The technology didn't sell because in today's world, appearance is everything.
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Wearable technology is evolving so fast that it has become not only extremely convenient, but a fashion statement too.
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It can also keep track of your wallet via a minute radio signaling chip attached to the wallet.
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Sensors integrated into the purse's fabric transmit a message to alert you if the wallet is not inside.
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For example, it is being used today in medical research to examine the effectiveness of certain new heart treatments.
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Another wearable item
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that has proved remarkably helpful to runners who want to keep
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fit is a sensor embedded into the sole of their running shoes.
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The sensor relays information about the speed and the distance you've covered to your iPod.
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Thank you.
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Thank you.

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Vocabulário e dicas de fala para esta lição

Esta aula de conversação usa o vídeo “TOEFL Listening Practice”. As palavras que mais se repetem: computer, wearable, sensor, wallet, purse. Este vídeo tem 66 frases e 810 palavras para praticar shadowing. A fala dura 8:04. O falante fala devagar, cerca de 100 palavras por minuto, o que dá tempo para imitar cada som. Apenas 74% 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
sensor substantivo/ˈsɛn.sɚ/sensor
wallet substantivo/ˈwɑl.ət/carteira
purse substantivo/pɚs/moedeiro
monitor substantivo/ˈmɑ.nɪ.tɚ/monitor, observador
chip substantivo/t͡ʃɪp/lasca, fragmento
strap substantivo/stɹæp/faixa, tira
attach verbo/əˈtæt͡ʃ/anexar
clothing substantivo/ˈkloʊðɪŋ/roupa, veste
helpful adjetivo/ˈhɛlp.fl̩/prestável, útil
wire substantivo/ˈwaɪɚ/arame
alert adjetivo/əˈlɝt/alerta
sole substantivo/səʊl/sola, planta do pé
shoe substantivo/ˈʃu/calçado, sapato
patch substantivo/pæt͡ʃ/remendo
wrap verbo/ɹæp/embalar, empacotar

Gramática neste vídeo

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

EstruturaNo vídeo
Present perfect have/has + particípio passado — uma ação passada que ainda importa agorahave become · has become · have been miniaturized
Voz passiva be + particípio passado — o foco está no que acontece, não em quem fazhave been miniaturized · is composed · are assembled

Pronúncia para ficar de olho

O falante usa 5 contrações e formas reduzidas, como didn't, you've, they're. Diga-as na forma curta, do jeito que você ouve.

  • Os sons de “th”: clothing /ˈkloʊðɪŋ/, leather /ˈlɛðɚ/
  • Os sons de “sh” e “zh”: shoe /ˈʃu/, unusual /ʌnˈjuːʒ(u)əl/, initiative /ɪˈnɪʃ.ə.tɪv/, innovation /ˌɪn.əˈveɪ.ʃən/, adaptation /ˌæd.æpˈteɪ.ʃən/
  • Palavras longas — acerte a sílaba tônica: effectiveness /ɪˈfɛk.tɪv.nɪs/, remarkably /ɹɪˈmɑɹkəbli/, accessory /əkˈsɛs.(ə.)ɹi/, unusual /ʌnˈjuːʒ(u)əl/, electricity /ɪˌlɛkˈtɹɪsɪti/

Sons difíceis para falantes de português:

  • Consoante final — sem acrescentar um “i” depois: wallet /ˈwɑl.ət/, fabric /ˈfæb.ɹɪk/, integrate /ˈɪn.tɪ.ɡɹeɪt/, chip /t͡ʃɪp/, strap /stɹæp/
  • /l/ final — a língua toca o céu da boca, não vira “u”: sole /səʊl/, textile /ˈtɛk.staɪl/, unusual /ʌnˈjuːʒ(u)əl/, invisible /ɪnˈvɪzəb(ə)l/, assemble /əˈsɛm.bəl/
  • /h/ — um sopro suave, diferente do “r”: helpful /ˈhɛlp.fl̩/, forehead /ˈfɔɹ.hɛd/, wherever /(h)wɛɹˈɛvɚ/

Como praticar com este vídeo

  1. Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
  2. Faça shadowing frase por frase na velocidade normal, repetindo cada uma até o seu ritmo ficar igual ao do falante.
  3. Grave a sua voz e compare com o original, prestando atenção a palavras como sensor, wallet, purse.

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 →