Pratica di Shadowing: TOEFL Listening Practice | Lecture | Hurricanes - Impara a parlare inglese con i video

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few events can rival the power of a hurricane
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we only have to look back at the devastation wreaked by Hurricane Katrina in August 2005 to realize this.
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While hurricanes are a natural phenomenon, some experts believe human activity may actually be impacting on their development.
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Tom Parker reports.
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Each year in the tropical regions surrounding the equator, hundreds of storms form at sea, some of which will intensify to hurricane level.
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Research suggests that the strength and duration of these storms is on the increase.
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Global warming could well be behind this shift.
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Hurricane expert Julia James explains how hurricanes form and talks about the possible influence of climate change on hurricanes.
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Hurricanes develop in warm tropical regions, both north and south of the equator.
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One prerequisite for hurricane formation is a warm ocean surface, at least 27 degrees Celsius.
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When equatorial winds pass over the sea, they suck up the warm, moist air.
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As the air is forced upwards, it gets cooler and condenses into clouds.
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This can result in the formation of cloud clusters and thunderstorms, known as tropical disturbances.
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The majority of these die out, but some go on to develop into full -blown hurricanes.
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This happens when converging equatorial winds set off a chain reaction of rising and sinking air.
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As wind speeds increase, cool air is sucked underneath the rising warm air and the storm begins to rotate.
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It will only be given hurricane status if wind speeds reach 74 miles per hour.
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and it's only when it hits land
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and is cut off from its supply of heat
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that it loses momentum
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but not without first unleashing winds of up to 185 miles per hour on coastal areas
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so a warm ocean surface is a key ingredient in hurricane development
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some experts have theorized that
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because global warming is heating up our oceans it is also boosting hurricane formation carbon dioxide and other man -made greenhouse gases
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Raise the temperature of the Earth's atmosphere.
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This leads to warmer sea surface temperatures, and a warm ocean will produce higher levels of water vapor than a cool one.
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This water vapor plays an important role in fueling hurricanes and keeping them spinning.
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It also increases precipitation when the storm reaches land.
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During Hurricane Katrina, rainfall exceeded 12 inches near New Orleans.
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Evidence that hurricanes are becoming more severe is quite compelling.
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What we've seen in recent years is an increase in both the strength and duration of storms, with a higher percentage of devastating
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Category 4 and 5 hurricanes hitting land annually.
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Between 1970 and 2005, this figure doubled worldwide.
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But whether this trend can be attributed to human activity has yet to be scientifically established.
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Similarly, some experts have hypothesized that the violent storms we are seeing can actually be attributed to natural fluctuations in ocean currents.
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Whatever the case, if our seas continue to get warmer, hurricane -related losses in the 21st century may be devastating,
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especially given the fact that coastal populations are becoming denser and denser all the time.
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Number 1.
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How does a hurricane begin?
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Number 2.
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When is a hurricane at its most powerful?
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Number 3.
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According to Julia James, what can increased amounts of carbon dioxide lead to?
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Thank you.
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Number four.
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What happened globally between 1970 and 2005?
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Number 5.
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What disturbing assumption does the speaker arrive at?
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Number 1.
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How does a hurricane begin?
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Hurricanes develop in warm tropical regions, both north and south of the equator.
52
One prerequisite for hurricane formation is a warm ocean surface, at least 27 degrees Celsius.
53
When equatorial winds pass over the sea, they suck up the warm, moist air.
54
As the air is forced upwards, it gets cooler and condenses into clouds.
55
This can result in the formation of cloud clusters and thunderstorms, known as tropical disturbances.
56
Number 2.
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When is a hurricane at its most powerful?
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it will only be given hurricane status
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if wind speeds reach 74 miles per hour and it's only
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when it hits land and is cut off from its supply of heat
61
that it loses momentum
62
but not without first unleashing winds of up to 185 miles per hour on coastal areas number three according to julia James,
63
what can increased amounts of carbon dioxide lead to?
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Carbon dioxide and other man -made greenhouse gases raise the temperature of the Earth's atmosphere.
65
This leads to warmer sea surface temperatures, and a warm ocean will produce higher levels of water vapor than a cool one.
66
This water vapor plays an important role in fueling hurricanes and keeping them spinning.
67
It also increases precipitation when the storm reaches land.
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Number four.
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What happened globally between 1970 and 2005?
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Evidence that hurricanes are becoming more severe is quite compelling.
71
What we've seen in recent years is an increase in both the strength
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and duration of storms with a higher percentage of devastating
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Category 4 and 5 hurricanes hitting land annually.
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Between 1970 and 2005, this figure doubled worldwide.
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Number 5.
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What disturbing assumption does the speaker arrive at?
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Whatever the case, if our seas continue to get warmer, hurricane -related losses in the 21st century may be devastating,
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especially given the fact that coastal populations are becoming denser and denser all the time.
79
Thank you.

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Video consigliato

Vocabolario e note di pronuncia per questa lezione

Questa lezione di conversazione si basa sul video “TOEFL Listening Practice”. Le parole che ritornano più spesso: hurricane, warm, storm, wind, ocean. Questo video contiene 79 frasi e 852 parole da ripetere con lo shadowing. Il parlato dura 8:26. Chi parla lo fa lentamente, circa 101 parole al minuto, quindi c’è tempo per imitare ogni suono. Solo il 75% delle parole rientra nelle 3.000 più comuni dell’inglese, quindi il lessico è impegnativo.

Vocaboli chiave di questo video

15 parole del video che vale la pena imparare, con pronuncia e significato:

ParolaPronunciaSignificato
hurricane sostantivo/ˈhʌɹɪkeɪn/uragano
tropical aggettivo/ˈtɹɑ.pɪ.kəl/tropicale
cloud sostantivo/ˈklaʊ̯d/nuvola, nube
coastal aggettivo/ˈkoʊstəl/costiero, litoraneo
dense aggettivo/ˈdɛns/denso
dioxide sostantivo/daɪˈɑksaɪd/diossido, biossido
vapor sostantivo/ˈveɪpɚ/gas, vapore
suck verbo/sʌk/succhiare, suggere
duration sostantivo/dʒʊˈɹeɪ.ʃən/durata
percentage sostantivo/pə(ɹ)ˈsɛntɪd͡ʒ/percentuale
atmosphere sostantivo/ˈætməsˌfɪɹ/atmosfera
arrive verbo/əˈɹaɪv/arrivare, giungere
spin verbo/spɪn/girare, far girare
annually avverbio/ˈæn.jʊə.li/annualmente
assumption sostantivo/əˈsʌm(p).ʃ(ə)n/assunzione

I phrasal verb che sentirai

ParolaSignificato
heat up verboscaldare
set off verbocausare, determinare

La grammatica di questo video

Le strutture che chi parla usa di più, con le parole esatte del video:

StrutturaNel video
Forma passiva be + participio passato — conta ciò che accade, non chi lo fais forced · is sucked · be given
Present perfect have/has + participio passato — un’azione passata che conta ancora adessohave theorized · we've seen · have hypothesized

Pronuncia a cui fare attenzione

  • I suoni “th”: underneath /ˌʌndɚˈniθ/, thunderstorm /ˈθʌn.dɚˌstɔɹm/, hypothesize /haɪˈpɑ.θəˌsaɪz/, theorize /ˈθɪɹ.aɪz/
  • I suoni “sh” e “zh”: duration /dʒʊˈɹeɪ.ʃən/, assumption /əˈsʌm(p).ʃ(ə)n/, precipitation /pɹɪˌsɪpɪˈteɪʃn̩/, establish /ɪˈstæb.lɪʃ/, unleash /ʌnˈliʃ/
  • Parole lunghe — attenzione all’accento: momentum /ˌmə(ʊ)ˈmɛntəm/, precipitation /pɹɪˌsɪpɪˈteɪʃn̩/, similarly /ˈsɪm.ə.lə.li/, phenomenon /fəˈnɒm.ɪ.nən/, ingredient /ɪnˈɡɹiːdi.ənt/

I suoni difficili per chi parla italiano:

  • /h/ — va soffiata, non è muta: hurricane /ˈhʌɹɪkeɪn/, greenhouse /ˈɡɹːnˌ(h)aʊs/, hypothesize /haɪˈpɑ.θəˌsaɪz/
  • Consonante finale — senza aggiungere una vocale dopo: cloud /ˈklaʊ̯d/, dense /ˈdɛns/, dioxide /daɪˈɑksaɪd/, suck /sʌk/, percentage /pə(ɹ)ˈsɛntɪd͡ʒ/
  • /æ/ — più aperta della “e”: atmosphere /ˈætməsˌfɪɹ/, annually /ˈæn.jʊə.li/, attribute /ˈæt.ɹɪˌbjut/, establish /ɪˈstæb.lɪʃ/

Come esercitarsi con questo video

  1. Ascolta tutto il video una volta senza parlare e annota le parole che non conosci.
  2. Fai shadowing frase per frase a velocità normale, ripetendo ognuna finché il tuo ritmo coincide con quello di chi parla.
  3. Registrati e confronta con l’originale, facendo attenzione a parole come hurricane, tropical, cloud.

Cos'è la tecnica dello Shadowing?

Shadowing è una tecnica di apprendimento delle lingue supportata da studi scientifici, originariamente sviluppata per la formazione dei traduttori professionisti e resa popolare dal poliglotta Dr. Alexander Arguelles. Il metodo è semplice ma potente: ascolti un audio in inglese di madrelingua e lo ripeti immediatamente ad alta voce — come un'ombra che segue il parlante con un ritardo di solo 1–2 secondi. A differenza dell'ascolto passivo o degli esercizi di grammatica, lo shadowing costringe il tuo cervello e i muscoli della bocca a elaborare e riprodurre simultaneamente i modelli di discorso reale. La ricerca dimostra che migliora significativamente la precisione della pronuncia, l'intonazione, il ritmo, il discorso connesso, la comprensione dell'ascolto e la fluidità del parlato — rendendolo uno dei metodi più efficaci per la preparazione alla prova di speaking dell'IELTS e per la comunicazione reale in inglese.

Tecnica dello shadowing: leggi la guida completa passo dopo passo →