Pratique du Shadowing: Phát âm chuẩn - Anh ngữ đặc biệt: Secret Life of Roots (VOA) - Apprendre l'anglais à l'oral avec YouTube

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From VOA Learning English, this is the Science Report.
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28 phrases
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From VOA Learning English, this is the Science Report.
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Plant roots are important.
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They take in nutrients that plants need to live and grow.
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They help secure plants and they help to prevent erosion,
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the loss of soil to wind and water.
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Roots are the subject of an exhibit at the United States Botanic Garden in Washington, D.C.
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It shows in great detail what is taking place underground.
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The exhibit is called Exposed,
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the Secret Life of Roots.
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Visitors see dried roots hanging on a display wall in a large room.
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Some are from native prairie grasses.
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Others are from crop plants like wheat and corn.
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All of the roots are dried.
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They are rolled up so they do not touch the floor.
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A few are several meters long.
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Susan Pell is Science and Public Programs Manager at the Botanic Garden.
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She says this unexpected sight sends a powerful message to the visitors.
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Roots are the foundation for life.
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They absorb nutrients for the plants to make sugars.
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And she says, as a species, we depend on plants on plants.
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The roots appear to be growing out of a wide picture of a farmer's field.
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Visitors can also see some of the grasses outside the botanic garden.
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They are growing with garden vegetables like carrots and beets.
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Susan Pell holds a soybean plant to explain why farmers depend on roots.
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She says they have little nodules on them which contain a bacterium which fixes nitrogen.
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It makes nutrients available to the plant.
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Susan Pell hopes visitors leave with a new understanding of our natural systems and the need to protect them from environmental problems.
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For VOA Learning English, I'm Ann Ball.

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About This Lesson

In this lesson, learners will delve into the fascinating world of plant roots as presented in the VOA Learning English science report, "The Secret Life of Roots." Through this engaging content, students will practice their listening and speaking skills by mimicking the speaker's tone and speed. By focusing on nuanced pronunciation and articulation, participants will enhance their overall speaking abilities, making this an excellent opportunity for IELTS speaking practice. Expect to develop a deeper understanding of not only the vocabulary related to plant biology but also the rhythm and melody of the English language.

Key Vocabulary & Phrases

  • Nutrients - Essential substances that plants absorb through their roots for growth.
  • Erosion - The process of soil loss due to wind and water, which roots help prevent.
  • Foundation - The underlying basis or support for something, in this case, the importance of roots to plants.
  • Fixes nitrogen - A process in which specific bacteria convert nitrogen from the atmosphere into a form that plants can use.
  • Public Programs Manager - A professional role responsible for organizing educational programs, like those at the Botanic Garden.
  • Environmental problems - Issues that threaten the natural balance of ecosystems, highlighting the need for conservation.
  • Exhibit - A public display of items or information; in this instance, related to the importance of roots.
  • Understanding our natural systems - Gaining insights into the interrelatedness of living organisms and their environments.

Practice Tips

To maximize your learning experience, consider using the shadow speak technique, where you closely follow the speaker's pronunciation and rhythm. Since the video is at a moderate pace, begin by listening to a small segment repeatedly before attempting to repeat it yourself. This method will not only help you improve English pronunciation but also aid in mastering the fluidity of speech.

Focus on the intonation and stress within the sentences. Take note of how the speaker emphasizes words like “roots” and “nutrients”, which can significantly impact the meaning and expressiveness of your own speech. When practicing, try to mimic these nuances, as they contribute to effective communication.

If you're using the technique of shadowspeak, pause the video after challenging phrases. Repeat them aloud, ensuring clarity and accuracy in your pronunciation. Doing this will prepare you for scenarios such as the IELTS speaking practice, where you need to express thoughts clearly and confidently. Ultimately, regular practice in this structured way will lead to visible improvements in your speaking skills.

Qu'est-ce que la technique du Shadowing ?

Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.

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