تدريب Shadowing: Bill Gates - Population - Vaccines - تعلم التحدث بالإنجليزية عبر الفيديو
جارٍ إنشاء الدرس...
1
This equation has four factors, a little bit of multiplication.
2
So you've got a thing on the left, CO2, that you want to get to zero.
3
And that's going to be based on the number of people, the services each person's using on average, the energy on average for each service,
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and the CO2 being put out per unit of energy.
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So let's look at each one of these and see how we can get this down to zero.
6
Probably one of these numbers is going to have to get pretty near to zero.
7
That's back from high school algebra.
8
But let's take a look.
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First, we've got population.
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The world today has 6.8 billion people.
11
That's headed up to about 9 billion.
12
Now, if we do a really great job on new vaccines, healthcare, reproductive health services, we could lower that by perhaps 10 or 15%.
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Vocabulary and speaking notes for this lesson
This B2 speaking lesson is built on the video “Bill Gates - Population - Vaccines”. This video has 12 sentences and 143 words to shadow. The speech runs for 0:52. The speaker talks at a natural 163 words per minute, close to everyday conversation.
Key vocabulary in this video
The 8 most advanced words in the video, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| equation noun | /ɪˈkweɪ.ʒən/ | The act or process of equating two or more things, or the state of those things being equal (that is, identical). |
| vaccine noun | /vækˈsin/ | A substance given to stimulate a body's production of antibodies and provide immunity against a disease without causing the disease itself in the treatment… |
| reproductive adjective | /ˌɹiːpɹəˈdʌktɪv/ | Of or relating to reproduction. |
| algebra noun | /ˈæl.d͡ʒɪ.bɹə/ | Elementary algebra: A system for representing and manipulating unknown quantities (variables) in equations. |
| multiplication noun | /ˌmʌltɪplɪˈkeɪʃən/ | The process of computing the sum of an addition with one and the same number a specified number of times (i.e. 4 times 5 = [0 +] 5 + 5 + 5 + 5 = 20) or any… |
| zero noun | /ˈzɪɹoʊ/ | The numeric symbol that represents the cardinal number zero. |
| factor noun | /ˈfæk.tɚ/ | An agent or representative; a reseller or distributor (sometimes with a private label); a consignee. |
| unit noun | /ˈjuː.nɪt/ | Oneness, singularity, seen as a component of a whole number; a magnitude of one. |
Phrasal verbs you will hear
| Word | Meaning |
|---|---|
| put out verb | To blind (eyes). |
القواعد في هذا الفيديو
أكثر التراكيب التي يستخدمها المتحدث، مع العبارات نفسها من الفيديو:
| التركيب | في الفيديو |
|---|---|
| المبني للمجهول be + اسم المفعول — التركيز على ما يحدث لا على من يفعله | be based · being put |
Pronunciation to watch
- The “sh” and “zh” sounds: equation /ɪˈkweɪ.ʒən/, multiplication /ˌmʌltɪplɪˈkeɪʃən/
- Long words — get the stress right: reproductive /ˌɹiːpɹəˈdʌktɪv/, multiplication /ˌmʌltɪplɪˈkeɪʃən/
How to practise with this video
- Listen to the whole video once without speaking and note the words you do not know.
- Start at 0.75× speed, shadow it sentence by sentence, then go back to normal speed once it feels easy.
- Record yourself and compare with the original, paying attention to words like equation, vaccine, reproductive.
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.