Pratica di Shadowing: Unit 20 Weird Inventions - Impara a parlare inglese con i video
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Unit 20 Weird Inventions Have you ever thought about inventing something?
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Did you worry that your idea was too strange or unrealistic?
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Well, maybe you should think again.
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Strange or unrealistic ideas never stopped Arthur Pedrick.
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Pedrick was a British inventor.
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Originally a government clerk, he spent his retirement in the 1960s and 1970s developing new and unusual ideas.
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Some of these ideas contradicted basic physics, but that didn't stop Pedrick.
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One of his strangest ideas was a plan to connect large tubes from the continent of Australia all the way to Antarctica, a distance of 10,000 kilometers.
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These tubes would carry giant ice balls from Antarctica to Australia.
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This ice would then melt in the Australian desert, and the water would be used in irrigation.
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Another of Pedrick's inventions was a radio-controlled golf ball.
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A golfer could change the speed and direction of the golf ball by small flaps, controlled by computer chips.
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Using radio waves, the golfer could also find lost golf balls.
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Arthur Pedrick had thousands of bizarre ideas for inventions, most of which were never built.
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Though many of Pedrick's inventions were never developed, a lot of other strange ideas were.
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In 1989, a company designed and sold a theft prevention device for expensive cars.
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As part of this device, several tubes were attached to the bottom of a car.
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If someone tried to steal the car, super hot flames would come out of the tubes and burn the car thief.
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Some people who were not thieves, however, were seriously injured.
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They accidentally set off the device by walking past the car.
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Other strange inventions include underwear for dogs and pens with drinkable ink.
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The underwear keeps dogs from making a mess when they go out for a walk.
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Also, if you are ever thirsty during a test, a pen with drinkable ink would be very handy.
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If you have an idea that seems a little out in left field, don't let that stop you from trying it.
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You'll be in good company.
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Listening.
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I didn't know that.
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Listen to the dialogue and complete each sentence.
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Have you ever heard of Thomas Edison?
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Of course I have.
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Didn't he invent the light bulb?
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Actually, he didn't invent it.
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He just made it practical to use.
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Really?
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Yes, but he did invent many other things.
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He invented the first movie camera and record player, for example.
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So without him, we wouldn't have movies or recorded music.
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That's right, or electric companies or batteries.
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Wow!
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Vocabolario e note di pronuncia per questa lezione
Questa lezione di conversazione di livello B1 si basa sul video “Unit 20 Weird Inventions”. Le parole che ritornano più spesso: inventions, Pedrick, tubes, strange, ball. Questo video contiene 39 frasi e 415 parole da ripetere con lo shadowing. Il parlato dura 2:51. Chi parla mantiene un ritmo costante di circa 146 parole al minuto, comodo per lo shadowing. Solo il 78% delle parole rientra nelle 3.000 più comuni dell’inglese, quindi il lessico è impegnativo.
Vocaboli chiave di questo video
Le 15 parole più avanzate del video, con pronuncia e significato:
| Parola | Pronuncia | Significato |
|---|---|---|
| invent verbo | /ɪnˈvɛnt/ | inventare |
| invention sostantivo | /ɪnˈvɛnʃən/ | invenzione |
| drinkable aggettivo | /ˈdɹɪŋk.ə.bəl/ | potabile |
| unrealistic aggettivo | irrealistico | |
| thief sostantivo | /ˈθiːf/ | ladro, ladra |
| underwear sostantivo | /ˈʌndɚˌwɛɹ/ | biancheria intima, intimo |
| contradict verbo | /ˌkɑn.tɹəˈdɪkt/ | contraddire, contestare |
| injure verbo | /ˈɪn.d͡ʒɚ/ | ferire, danneggiare |
| inventor sostantivo | /ɪnˈvɛntɚ/ | inventore, inventrice |
| bulb sostantivo | /ˈbʌlb/ | bulbo |
| irrigation sostantivo | /ˌɪɹəˈɡeɪʃən/ | irrigazione |
| thirsty aggettivo | /ˈθɝs.ti/ | assetato, avere sete |
| attach verbo | /əˈtæt͡ʃ/ | legare, appiccare |
| melt verbo | /mɛlt/ | sciogliere, fondere |
| clerk sostantivo | /klɝk/ | impiegato, impiegata |
I phrasal verb che sentirai
| Parola | Significato |
|---|---|
| set off verbo | causare, determinare |
Frasi da ripetere
Frasi brevi e complete del video che puoi riutilizzare nella conversazione di tutti i giorni:
- Did you worry that your idea was too strange or unrealistic?
- You'll be in good company.
- Didn't he invent the light bulb?
Pronuncia a cui fare attenzione
Chi parla usa 7 contrazioni e forme ridotte, come didn't, don't, wouldn't. Pronunciale nella forma breve, così come le senti.
- I suoni “th”: thief /ˈθiːf/, thirsty /ˈθɝs.ti/, theft /θɛft/
- I suoni “sh” e “zh”: invention /ɪnˈvɛnʃən/, irrigation /ˌɪɹəˈɡeɪʃən/, prevention /pɹɪˈvɛnʃən/
- Parole lunghe — attenzione all’accento: irrigation /ˌɪɹəˈɡeɪʃən/, accidentally /ˌæk.sɪˈdɛnt(ə)li/
I suoni difficili per chi parla italiano:
- Consonante finale — senza aggiungere una vocale dopo: invent /ɪnˈvɛnt/, thief /ˈθiːf/, contradict /ˌkɑn.tɹəˈdɪkt/, bulb /ˈbʌlb/, attach /əˈtæt͡ʃ/
- /æ/ — più aperta della “e”: attach /əˈtæt͡ʃ/, accidentally /ˌæk.sɪˈdɛnt(ə)li/
Come esercitarsi con questo video
- Ascolta tutto il video una volta senza parlare e annota le parole che non conosci.
- Fai shadowing frase per frase a velocità normale, ripetendo ognuna finché il tuo ritmo coincide con quello di chi parla.
- Registrati e confronta con l’originale, facendo attenzione a parole come invent, invention, drinkable.
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.