Shadowing Practice: How China is designing flood-resistant cities - Learn English Speaking with Video
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This isn't a forest.
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Not really.
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It's actually an urban park in the densely populated city of Nanchang, China, filled with birds, native trees,
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and volcanic rock on 137 acres of urban land.
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It's called a sponge city, and it's a type of natural infrastructure
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that architects around the world are designing to help us combat and withstand a changing climate.
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So what does it mean for a city to become spongy?
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This video is presented by Delta Airlines.
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Today, like everywhere else on the globe, cities are feeling the effects of climate change,
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and they often don't have the right infrastructure to help them survive its impacts.
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Some neighborhoods in Houston don't have enough trees to provide shade and relief from rising temperatures.
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Meanwhile, rising sea levels threaten coastal cities like Mumbai and Seoul that don't often have the infrastructure to handle more frequent flooding.
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This is only made worse by the fact that cities are covered with pavement and other surfaces that can't absorb water.
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Urbanization changes habitats.
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So when you build on a place, it removes vegetation, It alters hydrology.
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That's Dr. Charlie Nylon.
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He told me that cities play a complicated role in the climate crisis, especially when it comes to maintaining biodiversity.
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Biodiversity is, simply put, the total number of plants and animals that occur someplace.
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Biodiversity is one of our main support systems for human life on Earth.
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We rely on natural ecosystems full of diverse plants,
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animals, and organisms for essential things like clean water, food, and medicine.
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And biodiversity is critical to defending the earth against climate change.
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We need healthy forests to absorb carbon dioxide from the air, and enough native plants for pollinators to help crops flourish.
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But studies show that as urban expansion continues, it can drive habitat losses that directly put some species in danger, profoundly impacting global biodiversity.
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Cities have a big impact on what happens locally.
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Cities capture a significant number of plant and animal species which are native, so that even in cities, there's a significant amount of biodiversity.
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Which means they can play a role in saving these local plant and animal species.
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The really important thing to think about is not so much how urbanization reduces biodiversity, but really how in cities you can conserve biodiversity.
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One way to do this is by creating environments where nature can flourish.
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Environments that can also help cities soak up excess water.
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And that's where sponge cities come in.
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In 2015, China launched a sponge city pilot program in 30 cities across the country.
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The goal of the program was to coordinate and promote the construction of sponge cities, which would improve urban drainage and flood prevention,
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and create a diverse biological environment.
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Architects did this by supplementing the existing gray infrastructure that relied on concrete pipes and dams with natural solutions,
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like gardens that are designed to capture rain and native trees that suck up excess water through their roots.
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In China, these ideas were taken from ancient drainage systems.
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That's because for centuries, Chinese cities actually handled water pretty well, in part because they were built with nature in mind.
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A study from the scientific journal
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Water recreated some of these old practices.
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Building roofs designed with sloped eaves allowed rainwater to fall onto the permeable pavement below,
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and exterior walls were lined with flowers and trees to absorb rain and stormwater.
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Today, natural solutions like these have been re -implemented in major cities across China.
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In Xi 'an 'an, a sewage pipe was replaced with this natural infiltration system
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that uses vegetation beds to purify storm and rainwater.
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Shanghai replaced concrete roads and sidewalks with this permeable pavement, which is lined with vegetation, to absorb excess water into the soil underground.
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And across Wuhan, dozens of urban gardens like these were planted to absorb water before or it overwhelms communities.
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Most of these projects rely on introducing vegetation in an urban area to soak up excess water.
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This is a really great way to handle flooding, and it also supports urban biodiversity.
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Because you're providing habitat for additional groups, plant and animal species, sometimes you can restore habitats that have been lost.
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Despite these benefits, sponge cities can't fix everything.
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The connection between climate change and flooding is still being studied.
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But when floods do happen, these spongy cities are only able to absorb excess water up to a certain point.
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In 2021, sponge city designs in Zhengzhou failed when historic rainfall drenched the city.
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More than 300 people died from the catastrophic flooding.
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There are other limitations too.
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One review of sponge cities in Guayan, New District, found that national standards and codes for spongy infrastructure are really difficult to enforce because climate,
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hydrology, and even socioeconomics are vastly different from one city to the next.
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So what might work in some cities won't necessarily solve climate -related problems in others.
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Plus, ambitious sponge city designs like the sprawling parks built in China are expensive and require a lot of space, which most cities don't have.
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So some US cities experimenting with natural infrastructure, like LA and Boston,
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are using the green space they already have by trying things like planting vegetation on curbs
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and creating green spaces along median stripes.
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One type of city design certainly won't save us from climate change, but they can make a difference in how we live with
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it we often talk about biodiversity like it's far away
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but it's actually right there and I think the more
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that people understand that the kinds of things they do from where they live
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that really matters people can do things to change cities
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they can do things to make cities different they can do things to make cities better
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Vocabulario y notas de pronunciación para esta lección
Esta lección de conversación se basa en el vídeo “How China is designing flood-resistant cities”. Las palabras que más se repiten: cities, biodiversity, sponge, climate, urban. Este vídeo tiene 75 frases y 954 palabras para practicar shadowing. La parte hablada dura 6:27. El hablante mantiene un ritmo constante de unas 148 palabras por minuto, cómodo para el shadowing. Solo el 78 % de las palabras está entre las 3.000 más comunes del inglés, por lo que el vocabulario es exigente.
Vocabulario clave de este vídeo
15 palabras del vídeo que vale la pena aprender, con su pronunciación y significado:
| Palabra | Pronunciación | Significado |
|---|---|---|
| sponge sustantivo | /spʌnd͡ʒ/ | esponja |
| infrastructure sustantivo | /ˈɪnfɹəˌstɹʌkt͡ʃə/ | infraestructura |
| flood sustantivo | /flʌd/ | inundación, avenida |
| absorb verbo | /æbˈsɔɹb/ | absorber |
| excess sustantivo | /ˈɛksɛs/ | exceso |
| vegetation sustantivo | /ˌvɛd͡ʒəˈteɪʃən/ | vegetación |
| rely verbo | /ɹɪˈlaɪ/ | atenerse, fiarse |
| pavement sustantivo | /ˈpeɪvm(ə)nt/ | pavimento, pavimiento |
| concrete adjetivo | /ˌkɑnˈkɹit/ | concreto |
| capture verbo | /ˈkæp.(t)ʃɚ/ | capturar |
| pipe sustantivo | /ˈpaɪp/ | caramillo, flauta f) |
| diverse adjetivo | /daɪˈvɜːs/ | diverso |
| architect sustantivo | /ˈɑɹ.kɪˌtɛkt/ | artífice |
| drainage sustantivo | /ˈdɹeɪnəd͡ʒ/ | drenaje, desagüe |
| soak verbo | /soʊk/ | empaparse |
Gramática en este vídeo
Las estructuras que más usa el hablante, con las palabras exactas del vídeo:
| Estructura | En el vídeo |
|---|---|
| Voz pasiva be + participio pasado — importa lo que ocurre, no quién lo hace | is presented · is only made · are designed |
| Present perfect have/has + participio pasado — una acción pasada que sigue importando ahora | have been · have been lost |
| Oraciones de relativo who / which + oración — información extra sobre una persona o cosa | species which are · pavement, which is |
Pronunciación a tener en cuenta
El hablante usa 10 contracciones y formas reducidas, como don't, can't, won't. Dilas en su forma corta, tal como las oyes.
- Los sonidos de “th”: threaten /ˈθɹɛt.n̩/, withstand /wɪðˈstænd/
- Los sonidos de “sh” y “zh”: vegetation /ˌvɛd͡ʒəˈteɪʃən/, capture /ˈkæp.(t)ʃɚ/, flourish /ˈflʊ̈ɹ.ɪʃ/, prevention /pɹɪˈvɛnʃən/, shade /ʃeɪd/
- Palabras largas — cuida el acento: infrastructure /ˈɪnfɹəˌstɹʌkt͡ʃə/, vegetation /ˌvɛd͡ʒəˈteɪʃən/, necessarily /ˌnɛs.əˈsɛɹ.ə.li/, complicated /ˈkɑm.plɪˌkeɪ.tɪd/, economics /ˌiːkəˈnɒmɪks/
Sonidos difíciles para hispanohablantes:
- s + consonante al inicio — sin añadir una “e” delante: sponge /spʌnd͡ʒ/, strip /ˈstɹɪp/, slope /sloʊp/, spongy /ˈspʌnd͡ʒi/, sprawl /spɹɔːl/
- /v/ — no es /b/: los dientes tocan el labio inferior: vegetation /ˌvɛd͡ʒəˈteɪʃən/, pavement /ˈpeɪvm(ə)nt/, diverse /daɪˈvɜːs/, solve /sɒlv/, prevention /pɹɪˈvɛnʃən/
- /z/ — sonora, no /s/: organism /ˈɔɹ.ɡəˌnɪz.əm/, eaves /ivz/
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 sponge, infrastructure, flood.
¿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.