تدريب Shadowing: HOW IT WORKS - Grand Piano - تعلم التحدث بالإنجليزية عبر الفيديو

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It's big, it's beautiful, it's a grand piano and each one of these majestic instruments is exquisitely handcrafted.
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The main difference from a standard upright piano is
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that in a grand the strings are longer and have to be arranged horizontally.
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The sound is produced by a felt hammer hitting up to three strings at once.
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The thicker and longer the strings are the lower the note.
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Each string begins life as a single steel wire attached to a spinning machine.
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One of the workers scuffs up the surface with sandpaper so
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when a copper wire is wrapped
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around it'll stay in
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place he adds another wire
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to the string to give it a deeper bass note the
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strings for a grand piano range in length from just five centimeters to over two meters.
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That's what allows them to produce an incredibly wide range of notes.
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Finally, he tightens the end of the wire to stop it from uncoiling.
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They have to use layers of flexible wood for the piano's casing, so they'll be able to bend it into the traditional shape.
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They're glued together and then squashed in a press until the adhesives dry.
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Then it's taken over to another press which will give it its shape.
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It's a tough job to get it into position and requires a bit of muscle and a lot of teamwork.
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When the strings are fixed, they'll have a combined tension of 24 tons, so the metal frame needs to be a super tough structure.
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It's made of precision cast iron, in a technique that was developed in the early 19th century.
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A cocktail of bronze powder, dissolver and thickener is sprayed onto the metal surface to fill any pores and give the frame a smooth finish.
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The metal frame weighs about 170 kilograms and has to be lifted into the wooden casing with a pulley.
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Then it's time to fix the strings, all 240 of them.
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Low notes have just got one string but the middle and higher notes have two or three to make them louder.
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They're called bichords and trichords.
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Each individual string has to be stressed until it reaches the exact pitch.
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Finally, they check the strings with a felt hammer.
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The hammer is controlled by a mechanism that enables a series of notes to be played consecutively at high speed.
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The workings of the piano are now complete, but before it can be fitted into the casing, an expert must check that all the hammers reach the same keystroke height,
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so they produce an even sound.
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A key has to drop under a weight of 52 grams, and they all have to be tested one by one.
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Who said the music industry was glamorous?
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All that remains is the final assembly.
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Every individual grand piano is handcrafted to the highest standards.
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That's why this factory builds, on average, just one a day.
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We'll be right back.

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المفردات وملاحظات التحدث لهذا الدرس

يحتوي هذا الفيديو على 36 جملة و484 كلمة للتدرب على الترديد. مدة الكلام 4:42. يتكلم المتحدث ببطء، بمعدل 103 كلمة في الدقيقة تقريبًا، فيكون لديك وقت لتقليد كل صوت. 76% 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
string اسم/stɹɪŋ/وَتَر
piano اسم/piˈænɪː/بِيَانُو, مِعْزَف
wire اسم/ˈwaɪɚ/سِلْك
hammer اسم/ˈhæmɚ/مِطْرَقَة, شَاكُوش
technique اسم/tɛkˈniːk/أُسْلُوب, تِقْنِيَة
thick صفة/θɪk/سَمِيك, غَلِيظ
muscle اسم/ˈmʌs.əl/عَضَلَة
worker اسم/ˈwɝ.kɚ/عَامِل, عَامِلَة
layer اسم/ˈleɪ̯ɚ/طَبَقَة
wooden صفة/ˈwʊdn̩/خَشَبِيّ
ton اسم/tʌn/طُن
bass اسم/beɪs/غيتار البيس
copper اسم/ˈkɒpə/نُحَاس, نحاس
mechanism اسم/ˈmɛk.ə.nɪ.zəm/آلِيَّة
instrument اسم/ˈɪnstɹəmənt/الة موسيقية

نطق يحتاج إلى انتباه

يستخدم المتحدث 6 من الصيغ المختصرة، مثل they'll, they're, it'll. انطقها بصيغتها القصيرة كما تسمعها.

  • أصوات “th”: thick /θɪk/, smooth /smuːð/
  • أصوات “sh” و“zh”: tension /ˈtɛnʃən/, precision /pɹɪˈsɪʒ.ən/, squash /skwɔʃ/
  • الكلمات الطويلة — انتبه لموضع النبر: incredibly /ɪŋˈkɹɛdɪbli/, mechanism /ˈmɛk.ə.nɪ.zəm/

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 string, piano, wire.

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 →