تدريب Shadowing: TOEFL Listening Practice | Lecture | Dome Structures - تعلم التحدث بالإنجليزية عبر الفيديو

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68 جمل
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1
In 2005, Hurricane Katrina devastated the city of New Orleans, destroying over a million buildings.
2
In 2008, a gigantic earthquake measuring 8 .0 on the Richter scale struck Sichuan in China,
3
leaving close to 5 million people homeless.
4
But had the structures in either location been built differently, much of the damage might have been prevented, Jim Carter reports.
5
According to a United Nations report, the number of severe natural disasters has been steadily increasing, along with the number of people affected by them.
6
Growing urbanization worldwide has brought with it an urgent demand for quickly built,
7
affordable housing, and building standards have suffered as a result.
8
But poor construction is only one of the reasons that so many homes are lost in such disasters.
9
Apparently, the square or rectangular shape of most buildings is far from ideal in areas prone to earthquakes, hurricanes, or tornadoes.
10
Here to tell us why is architect Francis Newberry.
11
The square and the rectangle are in no way as stable as the dome in terms of construction.
12
In fact, if more structures in earthquake zones were dome -shaped, billions of dollars could be saved, not to mention countless lives.
13
And this has been borne out by numerous examples over time.
14
For centuries, indigenous peoples in Mongolia have lived in yurts, dome -shaped structures which can withstand the earthquakes,
15
severe blizzards, and dust storms of Central Asia.
16
Perhaps a more familiar example is the Pantheon in Rome,
17
which was built around 126 AD in one of the most seismically active regions of Europe.
18
It has proved remarkably resilient during the earthquakes and tremors that have rocked the region for centuries, making it the best -preserved building from ancient Rome.
19
Yet, despite such examples, it was only in the second half of the 20th century that dome -shaped homes,
20
schools, and even churches began to appear sporadically in America.
21
especially in the infamous
22
Tornado Alley area of the central
23
United States, where more and more inhabitants are switching to dome architecture for increased security.
24
You mentioned that a dome can withstand extreme weather conditions and even earthquakes.
25
But what is it about this particular shape that makes it inherently stable?
26
Well, one factor that makes it especially stable compared to a conventional building is that any pressure, such as ground movement from an earthquake,
27
is absorbed equally by all points of the structure.
28
Another factor is the physical geometry of a building, which determines how resistant it is to high winds.
29
Picture a dome.
30
It has a perfectly curved surface, so wind flows smoothly around it rather than getting caught on angled walls
31
and corners as it does on a square building, for example.
32
Consequently, domes have been built to house and protect radar towers in Antarctica, where winds can reach speeds of over 185 miles an hour.
33
And the same things that make a dome safe also make it cost -effective in terms of building.
34
A sphere has less surface area than a rectangle, which reduces material and construction costs considerably.
35
Furthermore, all that freely circulating air in the open space interior makes heating and cooling an easier proposition, requiring less fuel.
36
Thus, domes are more economical and better for the environment, too.
37
So it's virtually indestructible, cost -effective, and eco -friendly.
38
With benefits like these, it's surprising that the dome is still not the prototypical housing structure, especially in areas of extreme weather.
39
But as energy costs soar and natural disasters begin to occur with greater frequency, the dome home may yet become a familiar sight.
40
Number 1.
41
What has contributed to the large numbers of homeless people following natural disasters?
42
Number two.
43
Why does Frances Newberry mention structures called yurts?
44
Number three.
45
Where are domes being built to protect local residents?
46
Number 4.
47
What is one reason for the dome's stability?
48
Number 5.
49
What could cause an increase in the construction of domes?
50
Number one, what has contributed to the large numbers of homeless people following natural disasters?
51
Growing urbanization worldwide has brought with it an urgent demand for quickly built,
52
affordable housing, and building standards have suffered as a result.
53
But poor construction is only one of the reasons that so many homes are lost in such disasters.
54
Number 2.
55
Why does Francis Newberry mention structures called yurts?
56
For centuries, indigenous peoples in Mongolia have lived in yurts, dome -shaped structures which can withstand the earthquakes,
57
severe blizzards, and dust storms of Central Asia.
58
Number 3.
59
Where are domes being built to protect local residents?
60
Yet, despite such examples, it was only in the second half of the 20th century that dome -shaped homes,
61
schools, and even churches began to appear sporadically in America, especially in the infamous
62
Tornado Alley area of the central
63
United States, where more and more inhabitants are switching to dome architecture for increased security.
64
number four what is one reason for the dome's stability
65
well one factor that makes it especially stable compared to a conventional building is
66
that any pressure such as ground movement from an earthquake is absorbed equally by all points of the structure and the same things
67
that make a dome safe number five also make
68
it cost effective in terms of A sphere has less surface area than a rectangle, which reduces material and construction costs considerably.

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المفردات وملاحظات التحدث لهذا الدرس

هذا الدرس في المحادثة مبني على الفيديو “TOEFL Listening Practice”. أكثر الكلمات تكرارًا في الفيديو: dome, earthquake, structure, built, disasters. يحتوي هذا الفيديو على 68 جملة و873 كلمة للتدرب على الترديد. مدة الكلام 7:53. يتكلم المتحدث بسرعة ثابتة، نحو 111 كلمة في الدقيقة، وهي سرعة مريحة للترديد. 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
dome اسم/dəʊm/قُبَّة
earthquake اسم/ˈɝθkweɪk/زَلْزَال, زِلْزال
disaster اسم/dɪˈzɑːs.təː/كَارِثَة, مُصِيبَة
stable اسم/ˈsteɪ.bəl/حَظِيرَة, اِسْطَبْل
tornado اسم/tɔɹˈneɪ.doʊ/إِعْصَار
withstand فعل/wɪðˈstænd/قَاوَمَ
compare فعل/kəmˈpɛɚ/قَارَنَ
suffer فعل/ˈsʌfɚ/تَأَلَّمَ, عَانَى
architecture اسم/ˈɑː.kɪˌtɛk.t͡ʃə/هَنْدَسَة مِعْمَارِيَّة, عِمَارَة
dust اسم/dʌst/غُبَار, تراب
equally ظرف/ˈiːkwəli/بِالتَّسَاوِي
resident اسم/ˈɹɛzɪdənt/سَاكِن, سَاكِنَة
contribute فعل/kənˈtɹɪb.jut/سَاهَمَ
stability اسم/stəˈbɪlɪti/اِسْتِقْرَار
conventional صفة/kənˈvɛnʃənl̩/عُرْفِيّ

القواعد في هذا الفيديو

أكثر التراكيب التي يستخدمها المتحدث، مع العبارات نفسها من الفيديو:

التركيبفي الفيديو
المضارع التام have/has + اسم المفعول — حدث ماضٍ ما زال له أثر الآنhas been · has brought · have suffered
المبني للمجهول be + اسم المفعول — التركيز على ما يحدث لا على من يفعلهbeen built · are lost · could be saved
جمل الوصل who / which + جملة — معلومة إضافية عن شخص أو شيءstructures which can

نطق يحتاج إلى انتباه

  • أصوات “th”: earthquake /ˈɝθkweɪk/, withstand /wɪðˈstænd/, furthermore /ˈfɜː(ɹ).ðə(ɹ)ˌmɔː(ɹ)/, smoothly /ˈsmuːðli/
  • أصوات “sh” و“zh”: conventional /kənˈvɛnʃənl̩/, proposition /ˌpɹɑpəˈzɪʃən/
  • الكلمات الطويلة — انتبه لموضع النبر: architecture /ˈɑː.kɪˌtɛk.t͡ʃə/, stability /stəˈbɪlɪti/, affordable /əˈfɔɹ.də.bəl/, indigenous /ɪnˈdɪd͡ʒənəs/, considerably /kənˈsɪdəɹəbli/

أصوات يجدها متحدثو العربية صعبة:

  • /p/ — ليس /b/: انطقه مع نفخة هواء: compare /kəmˈpɛɚ/, preserve /pɹəˈzɝv/, prone /pɹəʊn/, proposition /ˌpɹɑpəˈzɪʃən/, prototypical /ˌpɹoʊtəˈtɪpɪkəl/
  • /v/ — ليس /f/: مع اهتزاز الأوتار الصوتية: conventional /kənˈvɛnʃənl̩/, virtually /ˈvɚ.t͡ʃə.wə.li/, preserve /pɹəˈzɝv/, curve /kɚv/, devastated /ˈdɛv.əˌsteɪ.təd/
  • تتابع الصوامت — لا تضف حركة بينها: earthquake /ˈɝθkweɪk/, stable /ˈsteɪ.bəl/, withstand /wɪðˈstænd/, dust /dʌst/, resident /ˈɹɛzɪdənt/

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 dome, earthquake, disaster.

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.

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