تدريب Shadowing: Carbon Dioxide – Oxygen Cycle - تعلم التحدث بالإنجليزية عبر الفيديو

جارٍ إنشاء الدرس...
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Every breath you take connects you to one of Earth's most important cycles, the carbon dioxide oxygen cycle.
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It's like our planet has its own breathing system, and it's happening all around us, every single day.
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Here's how it works.
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Humans and all land animals breathe in oxygen and breathe out carbon dioxide into the air.
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The same thing occurs for marine animals, like fish.
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But this exchange of gases occurs in water.
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But where does all that fresh oxygen come from?
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And what happens to all the carbon dioxide we release?
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The answer is photosynthesis, nature's amazing recycling system.
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On land, plants are like oxygen factories.
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Using the sunlight's energy, they take in the carbon dioxide that animals breathe out.
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Combine it with water from the soil to create glucose, basically plant sugar that feeds them.
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The incredible part?
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As they make their food, they release oxygen as a bonus gift to the rest of us.
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But here's what might surprise you.
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Most of our oxygen doesn't actually come from forests or land plants.
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It comes from the ocean.
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Tiny plant-like organisms, called phytoplankton, float throughout our oceans by the billions.
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They're so small, you need a microscope to see them.
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But they're photosynthesis superstars.
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These microscopic ocean plants work the same way as land plants,
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using the energy of sunlight and taking in carbon dioxide and water from their surroundings,
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to make food, and pumping out oxygen in the process.
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And because there are so many of them covering our vast oceans, phytoplankton produce about half of all the oxygen on Earth.
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This creates a perfect cycle.
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Animals use oxygen and produce carbon dioxide.
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Plants and phytoplankton use that carbon dioxide and produce oxygen.
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It's been working this way for millions of years, keeping our atmosphere balanced and our air clean to breathe.
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Thank you.
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المفردات وملاحظات التحدث لهذا الدرس

يحتوي هذا الفيديو على 29 جملة و308 كلمة للتدرب على الترديد. مدة الكلام 2:46. يتكلم المتحدث بسرعة ثابتة، نحو 111 كلمة في الدقيقة، وهي سرعة مريحة للترديد. 80% فقط من الكلمات ضمن أكثر 3,000 كلمة شيوعًا في الإنجليزية، فالمفردات صعبة نسبيًا.

أهم المفردات في هذا الفيديو

15 كلمة من الفيديو تستحق التعلّم، مع النطق والمعنى:

الكلمةالنطقالمعنى
oxygen اسم/ˈɑksɪd͡ʒən/أُكْسِجِين
breathe فعل/bɹiːð/تَنَفَّسَ
occur فعل/əˈkɜː/حَدَثَ, وَقَعَ
vast صفة/væst/شَاسِع, وَاسِع
atmosphere اسم/ˈætməsˌfɪɹ/جَو, غِلَاف جَوِّيّ
bonus اسم/ˈbəʊ.nəs/عِلَاوَة
soil اسم/sɔɪl/تُرْبَة, أَرْض
connect فعل/kəˈnɛkt/رَبَطَ
pump اسم/pʌmp/مِضَخَّة
combine فعل/kəmˈbaɪn/ضَمَّ, جَمَعَ
float فعل/fləʊt/طَفَا, عَامَ
sunlight اسم/ˈsʌnˌlaɪt/ضَوْء شَمْس, نُور شَمْس
surroundings اسم/səˈɹaʊndɪŋz/مُحِيط
glucose اسم/ˈɡluː.kəʊz/جلوكوز
organism اسم/ˈɔɹ.ɡəˌnɪz.əm/كَائِن حَيّ

نطق يحتاج إلى انتباه

يستخدم المتحدث 3 من الصيغ المختصرة، مثل they're, doesn't. انطقها بصيغتها القصيرة كما تسمعها.

  • أصوات “th”: breathe /bɹiːð/, photosynthesis /ˌfoʊ.toʊˈsɪn.θə.sɪs/
  • الكلمات الطويلة — انتبه لموضع النبر: organism /ˈɔɹ.ɡəˌnɪz.əm/, phytoplankton /ˌfaɪ.təˈplæŋk.tən/, photosynthesis /ˌfoʊ.toʊˈsɪn.θə.sɪs/, microscopic /ˌmaɪ.kɹəˈskɑ.pɪk/

كيف تتدرب بهذا الفيديو

  1. استمع إلى الفيديو كاملًا مرة واحدة دون أن تتكلم، ودوّن الكلمات التي لا تعرفها.
  2. ردّد جملة جملة بالسرعة العادية، وكرّر كل جملة حتى يتطابق إيقاعك مع المتحدث.
  3. سجّل صوتك وقارنه بالأصل، مع الانتباه إلى كلمات مثل oxygen, breathe, occur.

ما هي تقنية التظليل الصوتي؟

التظليل الصوتي (Shadowing) تقنية تعلم لغة مدعومة علمياً، طُورت أصلاً لتدريب المترجمين الفوريين المحترفين. الطريقة بسيطة لكنها قوية: تستمع لصوت إنجليزي أصلي وتكرره فوراً بصوت عالٍ — كظل يتبع المتحدث بتأخير 1-2 ثانية. تُظهر الأبحاث تحسناً كبيراً في دقة النطق والتنغيم والإيقاع وربط الأصوات والاستماع والطلاقة.

تقنية الشادوينغ: اقرأ الدليل الكامل خطوة بخطوة →