Prática de Shadowing: Hanoi remote controls air quality | Vietnam Today - Aprenda a falar inglês com vídeo
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Turning now to environmental concerns closer to home,
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Hanon authorities are calling on six neighboring provinces and relevant ministries to take urgent action against rising air pollution.
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It's been quite the conversation recently and you can really see the pollution with your own eyes too.
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And air pollution has been persisting in the capital city and the situation is becoming increasingly urgent.
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Air pollution levels have been rising steadily during seasonal transitions, affecting public health and the environment.
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The levels across the capital are climbing, particularly during seasonal transitions with emissions crossing provincial boundaries.
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Hanoi has proposed establishing a national steering committee and across regional forecasting an early warning system.
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Information sharing with nearby localities such as Mắc Ninh, Hưng Yin and Tai Fong is expected to help improve air quality and support sustainable development across the region.
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Air pollution is not a new problem for Hanoi.
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In fact, it has become a prolonged challenge, directly affecting daily life and public health.
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So far, authorities are deploying management measures and advanced technologies, including UAVs, to monitor rise,
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straw burning and dust emissions from major construction sites across the city.
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The monitoring results are shared promptly with local authorities to enable timely action.
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Now, let's take a look.
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According to the Department of Environment,
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Hanoi has three major hotspots where smoke and dust frequently affect residential areas and key traffic routes.
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Since September, the Ministry of Agriculture and Environment Center for Agricultural Monitoring has deployed UAVs equipped with imaging and LIDAR systems.
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They operate rotating flights to track emission sources closely.
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UAV technology is a new and practical solution in Vietnam.
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We have deployed an uncrewed aerial vehicle system to monitor illegal waste dumping, soil disposal and construction debris in polluted areas around Hanoi.
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Each flight requires three personnel and typically lasts between 35 and 45 minutes.
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After nearly three months, monitoring has improved significantly by combining satellite imagery with UAV data,
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enabling authorities to accurately identify pollution hotspots in time and space and respond promptly.
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Regarding air quality, the National Remote Sensing Department is currently implementing monitoring of transparent air pollution sources.
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For Hanoi, we are using optical remote sensing data to monitor large construction sites.
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Based on these data, we then conduct on-site inspection and deploy UAVs, allowing us to carry out more details and targeted monitoring.
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As extreme weather events and urban environmental challenges become increasingly unpredictable,
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AI and remote sensing technologies do more than review what the human eye cannot see.
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They provide valuable time to act early,
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marking the difference between reactive responses and a proactive city committed to protecting public health.
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Thank you.
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Vocabulário e dicas de fala para esta lição
Esta aula de conversação de nível B2 usa o vídeo “Hanoi remote controls air quality”. As palavras que mais se repetem: pollution, Hanoi, Uav, monitoring, authorities. Este vídeo tem 31 frases e 439 palavras para praticar shadowing. A fala dura 3:34. O falante mantém um ritmo estável de cerca de 123 palavras por minuto, confortável para o shadowing. Apenas 72% das palavras estão entre as 3.000 mais comuns do inglês, por isso o vocabulário é exigente.
Vocabulário principal deste vídeo
As 15 palavras mais avançadas do vídeo, com pronúncia e significado:
| Palavra | Pronúncia | Significado |
|---|---|---|
| pollution substantivo | /pəˈluʃən/ | poluição |
| deploy verbo | /dɪˈplɔɪ/ | posicionar |
| emission substantivo | /ɪˈmɪʃ.ən/ | emissão |
| promptly advérbio | /ˈpɹɑmptli/ | prontamente |
| seasonal adjetivo | /ˈsiːzənəl/ | sazonal, estacional |
| urgent adjetivo | /ˈɜː.d͡ʒənt/ | urgente |
| pollute verbo | /pəˈluːt/ | contaminar, poluir |
| proactive adjetivo | /pɹoʊˈæk.tɪv/ | proativo |
| prolong verbo | /pɹoʊˈlɑŋ/ | prolongar |
| equip verbo | /ɪˈkwɪp/ | equipar |
| persist verbo | /pɚˈsɪst/ | persistir |
| rotate verbo | /ˈɹoʊ.teɪt/ | rotar, girar |
| unpredictable adjetivo | imprevisível | |
| steer verbo | /stɪɹ/ | direcionar, guiar |
| timely adjetivo | /ˈtaɪm.li/ | oportuno |
Phrasal verbs que você vai ouvir
| Palavra | Pronúncia | Significado |
|---|---|---|
| carry out verbo | /ˈkæ.ɹi aʊt/ | carregar |
Gramática neste vídeo
As estruturas que o falante mais usa, com as palavras exatas do vídeo:
| Estrutura | No vídeo |
|---|---|
| Present perfect continuous have/has been + -ing — uma ação que começou antes e continua | has been persisting · have been rising |
| Present perfect have/has + particípio passado — uma ação passada que ainda importa agora | It's been · has proposed · has become |
| Voz passiva be + particípio passado — o foco está no que acontece, não em quem faz | is expected · are shared |
Pronúncia para ficar de olho
- Os sons de “sh” e “zh”: pollution /pəˈluʃən/, emission /ɪˈmɪʃ.ən/, provincial /pɹəˈvɪn(t)ʃəl/, inspection /ɪnˈspɛkʃən/
- Palavras longas — acerte a sílaba tônica: locality /loʊˈkæl.ɪ.ti/, accurately /ˈæk.jə.ɹɪt.li/, sustainable /səˈsteɪnəbəl/
Sons difíceis para falantes de português:
- Consoante final — sem acrescentar um “i” depois: urgent /ˈɜː.d͡ʒənt/, pollute /pəˈluːt/, equip /ɪˈkwɪp/, persist /pɚˈsɪst/, rotate /ˈɹoʊ.teɪt/
- /l/ final — a língua toca o céu da boca, não vira “u”: seasonal /ˈsiːzənəl/, aerial /ˈɛəɹiəl/, disposal /dɪsˈpoʊ.zəl/, optical /ˈɑptɪkəl/, provincial /pɹəˈvɪn(t)ʃəl/
- s + consoante no início — sem um “i” antes: steer /stɪɹ/, steadily /ˈstɛdɪli/, straw /stɹɔ/
Como praticar com este vídeo
- Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
- Faça shadowing frase por frase na velocidade normal, repetindo cada uma até o seu ritmo ficar igual ao do falante.
- Grave a sua voz e compare com o original, prestando atenção a palavras como pollution, deploy, emission.
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.