Shadowing Practice: Complete Ielts 4 5 WB Unit 9 track 20 21 - Learn English Speaking with Video
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Unit 9, Track 20 Hello, Joe.
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Come in and take a seat.
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I wanted to talk to you about your essay on weather control.
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Right.
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What did you think?
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Well, let's start by looking at your introduction.
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You say that global warming is causing extreme weather conditions around the world.
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That's right, isn't it?
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Well, you need to be careful here.
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Yes, there is a lot of evidence that this is the case, but the issue is still controversial.
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You need to specify that many experts believe this is the case, rather than saying this is how it is.
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OK.
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Then you look at the issues surrounding extreme weather, erm, and how it has a negative effect in some countries.
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I was worried that that section was a bit disorganized.
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No, not at all.
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It's very good.
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But I was slightly surprised when, in the same paragraph, you mentioned an advantage of extreme weather.
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Not the right place for it?
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Not really, no. In fact, I would question the need to put it there at all.
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At one point you're talking about droughts,
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hurricanes, floods, etc. And then suddenly you're talking about people being able to sunbathe on the beach in January.
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Ah, I see what you mean.
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I think I was going to elaborate on that, add more information, but I guess I forgot to do so.
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Okay.
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Then there's the section on weather control programs.
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'This made interesting reading, but your ideas didn't really lead on from each other.'
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Did you write a plan before you did this?
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Err.. no. Well, you really ought to.
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Here's an example.
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You talk about experiments to control hurricanes.
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Then you write about rain making experiments.
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And then for no apparent reason you go back to talking about hurricane control.
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So, a bit messy?
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A bit, yes.
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Next you go on to talk about something called cloud seeding.
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Great, you gave a good, clear explanation about what cloud seeding is, that it's a way of using science and chemistry to make clouds produce rain
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and you give some examples of where it's been used.
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So that section's alright?
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Ah, well, listen to this.
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The chemical silver nitrate is introduced into clouds to encourage them to produce rain.
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silver nitrate Oh, that was careless.
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I meant silver iodide.
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Exactly.
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I would hate to think what might happen if you started firing silver nitrate into clouds.
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Ha!
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Ha!
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Okay.
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Finally, the conclusion.
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I always have problems with the conclusion.
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I never really know what to say.
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Well, you summarise your main points and give a few opinions, which is great.
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But you then start talking about environmental systems.
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This was not only in the wrong place, but I couldn't see where it fitted in with the rest of the essay generally.
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Right, so there's a bit of room for improvement then.
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Unit 9, Track 21.
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Alright, let's go back to the section in your essay on cloud seeding.
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Apart from your silver nitrate, silver iodide mistake, you've missed a few bits out. Have I?
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I'm afraid so.
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What I'd like you to do is talk me through the process of cloud seeding, what it involves and so on.
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And I'll stop you if you've forgotten something.
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Okay?
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Fine.
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Well, first of all, silver nitri - er, iodide, is fired into the cloud from the ground using a rocket.
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Good And you could mention that sometimes it's dropped from above by aircraft.
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Right.
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And this is the first stage, the primary stage, which is called static seeding.
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The silver iodide causes a chemical reaction with the tiny water drops in the cloud and they freeze.
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Okay, so you've got millions of tiny ice particles because the water droplets in the cloud freeze.
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What happens next?
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Next, there's a process called rhyming.
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R -I -M -I -N -G.
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That's when the ice particles, well, they join up to form bigger pieces of ice, and when they're heavy enough,
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they fall from the sky.
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Good and then Well, as they fall, they turn to rain or snow, And, uh...
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Well, that's it, isn't it?
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Well, usually, yes, but you've mentioned that there's a first stage, a primary stage, so surely you should have mentioned...
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Oh, the secondary stage!
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Which is known as?
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Dynamic seeding, of course.
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How could I have left that bit out?
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Let me think.
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Okay, so the water droplets turn to ice and...
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Uh...
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What happens when water freezes, when anything freezes for that matter?
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Something that may seem surprising?
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Oh, of course.
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It releases heat.
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Mm -hmm, exactly.
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It releases heat.
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And what can happen to a cloud when freezing water inside it does this?
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The cloud gets bigger and contains even more moisture.
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Exactly.
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And not only do they become bigger, but they also...
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They, uh...
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Produce storms.
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No, hang on, that's not right.
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They last longer, that's it.
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Right.
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They last longer.
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Which means they can be seeded again to produce even more rain.
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Vocabulario y notas de pronunciación para esta lección
Esta lección de conversación de nivel B2 se basa en el vídeo “Complete Ielts 4 5 WB Unit 9 track 20 21”. Las palabras que más se repiten: cloud, silver, seeding, rain, weather. Este vídeo tiene 100 frases y 828 palabras para practicar shadowing. La parte hablada dura 6:25. El hablante mantiene un ritmo constante de unas 129 palabras por minuto, cómodo para el shadowing. El 83 % de las palabras está entre las 3.000 más comunes del inglés; conviene repasar el resto antes de empezar. 15 de sus 100 frases son preguntas, así que sirve para practicar la entonación de las preguntas y las respuestas cortas.
Vocabulario clave de este vídeo
Las 15 palabras más avanzadas del vídeo, con su pronunciación y significado:
| Palabra | Pronunciación | Significado |
|---|---|---|
| freeze verbo | /ˈfɹiːz/ | helarse, congelarse |
| iodide sustantivo | /ˈɑɪ.əˌdɑɪd/ | yoduro, ioduro |
| nitrate sustantivo | /ˈnaɪˌtɹeɪt/ | nitrato |
| hurricane sustantivo | /ˈhʌɹɪkeɪn/ | huracán |
| droplet sustantivo | /ˈdɹɑplət/ | gotita |
| particle sustantivo | /ˈpɑɹtək(ə)l/ | partícula |
| summarize verbo | /ˈsʌməˌɹaɪz/ | resumir |
| sunbathe verbo | /ˈsʌnbeɪð/ | tomar el sol, solearse |
| rhyme sustantivo | /ɹaɪm/ | rima |
| careless adjetivo | /kɛɹ.ləs/ | descuidado, irresponsable |
| specify verbo | /ˈspɛs.əˌfaɪ/ | especificar, circunstanciar |
| surround verbo | /səˈɹaʊnd/ | envolver, cercar |
| messy adjetivo | /ˈmɛsi/ | desordenado, desprolijo |
| moisture sustantivo | /ˈmɔɪs.t͡ʃɚ/ | humedad |
| drought sustantivo | /ˈdɹaʊ̯t/ | sequía, seca |
Frases que vale la pena repetir
Frases cortas y completas del vídeo que puedes reutilizar en la conversación diaria:
- What did you think?
- Did you write a plan before you did this?
- How could I have left that bit out?
Gramática en este vídeo
Las estructuras que más usa el hablante, con las palabras exactas del vídeo:
| Estructura | En el vídeo |
|---|---|
| Present perfect have/has + participio pasado — una acción pasada que sigue importando ahora | it's been · you've missed · you've forgotten |
| Voz pasiva be + participio pasado — importa lo que ocurre, no quién lo hace | is introduced · is fired · is called |
| Oraciones de relativo who / which + oración — información extra sobre una persona o cosa | opinions, which is · stage, which is |
Pronunciación a tener en cuenta
El hablante usa 14 contracciones y formas reducidas, como you've, isn't, you're. Dilas en su forma corta, tal como las oyes.
- Palabras largas — cuida el acento: disorganized /dɪsˈɔːɡənaɪzd/, elaborate /ɪˈlæb.ə.ɹeɪt/
Sonidos difíciles para hispanohablantes:
- s + consonante al inicio — sin añadir una “e” delante: specify /ˈspɛs.əˌfaɪ/, static /ˈstæt.ɪk/
- /z/ — sonora, no /s/: freeze /ˈfɹiːz/, disorganized /dɪsˈɔːɡənaɪzd/, summarize /ˈsʌməˌɹaɪz/
Cómo practicar con este vídeo
- Escucha el vídeo entero una vez sin hablar y anota las palabras que no conoces.
- Haz shadowing frase por frase a velocidad normal, repitiendo cada una hasta que tu ritmo coincida con el del hablante.
- Grábate y compara con el original, prestando atención a palabras como freeze, iodide, nitrate.
¿Qué es la Técnica de Shadowing?
Shadowing es una técnica de aprendizaje de idiomas respaldada por la ciencia, desarrollada originalmente para la formación de intérpretes profesionales y popularizada por el políglota Dr. Alexander Arguelles. El método es simple pero poderoso: escuchas audio en inglés nativo y lo repites en voz alta de inmediato, como una sombra que sigue al hablante con solo 1-2 segundos de retraso. A diferencia de la escucha pasiva o los ejercicios de gramática, el shadowing obliga a tu cerebro y músculos de la boca a procesar y reproducir simultáneamente patrones de habla reales. Las investigaciones muestran que mejora significativamente la precisión de la pronunciación, la entonación, el ritmo, el habla conectada, la comprensión auditiva y la fluidez al hablar, convirtiéndola en una de las metodologías más efectivas para la preparación del IELTS Speaking y la comunicación en inglés en el mundo real.