Shadowing Practice: Lab-grown meat is on the rise — here's how it is made - Learn English Speaking with Video
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From the poor treatment of animals to uneven food distribution and even climate change,
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lab-grown food is being hailed by some as a solution for many of today's biggest issues.
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Our global agricultural system is responsible for over a quarter of all greenhouse gas emissions.
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Among the worst offenders are beef, dark chocolate, coffee and fish based on emissions per kilogram.
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There has been a lot of hype around cell-cultivated food, but how viable is the industry?
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What does it entail and more importantly, will consumers bite?
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Can you do the honours and lift the lid on your creation?
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Over a decade ago on the Edge, we reported on the world's first ever cultured beef burger.
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Unveiled by Professor Mark Post from Maastricht University, it cost around €250,000 to produce.
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He went on to set up MoSoMeat, a company which aims to bring the burger to the masses, and he's not alone.
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There are now hundreds of startups developing their own lab-grown products, but just how do they do it?
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It's a relatively simple procedure and similar for both meat and plant-based production.
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For meat, simply take stem cells from animal's tissue, add a nutrient-rich solution and watch the cells multiply into the three main components of meat,
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muscle, fat and connective tissue.
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Then put the cells into bioreactors or as they're more commonly known, cultivators.
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The cells are then separated and rearranged to build a final edible product.
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This part of the process is called scaffolding and can be very complicated.
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A steak for instance needs a lot more scaffolding than ground meat in a burger.
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The entire process takes between two and eight weeks but the payoff can be huge.
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It's estimated that just one thousandth of a pound of cow cells can create up to 4.4 billion pounds of beef.
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That sounds like an impressive return.
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So what's the hold up?
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Well, cost is a big issue.
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Currently, lab-grown meat is around 40% more expensive than animal meat.
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And then there's health and safety concerns.
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All production must happen in a completely sterile environment because the cells have no natural immunity from diseases.
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And while traditional meat is nutritionally dense, most of its proteins, vitamins and minerals are introduced via animal feed.
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You have to add these nutrients into cultured meat
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and it's still unclear whether today's additives provide equal nutritional value in the long term.
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As a result, regulators can't seem to align on the technology.
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Singapore became the first country in the world to approve cultured meat for human consumption in 2020.
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The US followed suit three years later, and the UK's Food Standards Agency approved use for pet food in early 2024.
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Italy, meanwhile, has banned the production, sale and import of lab-grown meat entirely,
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with the government citing its potential negative impact on the country's farming industry.
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France and Romania might do the same.
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The EU so far has not offered any guidance, but if it does green light use, it could put Brussels on a collision course with angry farmers.
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Some critics are calling for more research into the environmental impacts of cultured food, especially if production is ramped up significantly.
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After all, the manufacturing process still requires an energy source, but those championing the industry believe the benefits outweigh the negatives.
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They say cultured food has the potential to dramatically reduce food waste, tantalise our taste buds with things we've never traditionally eaten,
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and could provide health benefits by tailoring food to nutritional needs such as removing gluten
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or saturated fats without compromising on the taste.
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According to consulting firm McKinsey, cultivated meat could make up as much as half a percent of the world's meat supply by 2030,
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making it a $25 billion global industry.
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Bu dersin kelimeleri ve konuşma notları
Bu B2 seviyesindeki konuşma dersi “Lab-grown meat is on the rise — here's how it is made” videosuna dayanıyor. En çok tekrarlanan kelimeler: meat, cell, cultured, lab, grown. Bu videoda gölgeleme çalışması için 43 cümle ve 625 kelime var. Konuşma bölümü 3:53 sürüyor. Konuşmacı dakikada yaklaşık 161 kelimeyle, günlük konuşmaya yakın doğal bir hızda konuşuyor. Kelimelerin yalnızca %79’i İngilizcede en sık kullanılan 3.000 kelime arasında, bu yüzden kelime dağarcığı zorlayıcı.
Bu videodaki önemli kelimeler
Videodaki en ileri düzey 15 kelime, telaffuzu ve anlamıyla:
| Kelime | Telaffuz | Anlam |
|---|---|---|
| burger isim | /ˈbɝ.ɡɚ/ | burger |
| scaffold isim | /ˈskæf.əld/ | iskele |
| nutrient isim | /ˈnuː.tɹi.ənt/ | besin |
| emission isim | /ɪˈmɪʃ.ən/ | emisyon, salınım |
| approve fiil | /əˈpɹuːv/ | onaylamak |
| kilogram isim | /ˈkɪləɡɹæm/ | kilogram, kilo |
| multiply fiil | /ˈmʌltɪplaɪ/ | çarpmak |
| thousandth sıfat | /ˈθaʊzən(d)θ/ | bininci |
| tailor isim | /ˈteɪlɚ/ | terzi, dikici |
| regulator isim | /ˈɹɛɡ.ju.leɪ.tɚ/ | dedantör |
| edible sıfat | /ˈɛdəbəl/ | yenilebilir |
| align fiil | /əˈlaɪn/ | hizalanmak, hizaya geçmek |
| saturated sıfat | doygun | |
| greenhouse isim | /ˈɡɹːnˌ(h)aʊs/ | sera, limonluk |
| immunity isim | /ɪˈmjuːnəti/ | bağışıklık |
Bu videodaki dil bilgisi
Konuşmacının en çok kullandığı yapılar, videodaki sözcüklerin aynısıyla:
| Yapı | Videoda |
|---|---|
| Edilgen yapı be + fiilin üçüncü hâli — kimin yaptığı değil, ne olduğu önemli | being hailed · are then separated · is called |
| Present perfect have/has + fiilin üçüncü hâli — geçmişte olan ama şimdi de önemli olan bir eylem | has been · has banned · has not offered |
Dikkat edilecek telaffuzlar
Konuşmacı can't, they're, we've gibi kısaltılmış biçimleri 3 kez kullanıyor. Bunları duyduğunuz gibi kısa söyleyin.
- “sh” ve “zh” sesleri: nutritional /njuːˈtɹɪʃ.ə.nəl/, emission /ɪˈmɪʃ.ən/, collision /kəˈlɪʒn̩/, traditionally /tɹəˈdɪʃ.ə.nə.li/
- Uzun kelimeler — vurguyu doğru yere koyun: nutritional /njuːˈtɹɪʃ.ə.nəl/, regulator /ˈɹɛɡ.ju.leɪ.tɚ/, immunity /ɪˈmjuːnəti/, traditionally /tɹəˈdɪʃ.ə.nə.li/, importantly /ɪmˈpɔɹ.tənt.li/
Türkçe konuşanların zorlandığı sesler:
- Kelime başındaki ünsüz kümesi — araya ünlü eklemeyin: scaffold /ˈskæf.əld/, nutritional /njuːˈtɹɪʃ.ə.nəl/, sterile /ˈstɛɹəl/, gluten /ˈɡluːtən/, greenhouse /ˈɡɹːnˌ(h)aʊs/
- /æ/ — “e”den daha açık: scaffold /ˈskæf.əld/, additive /ˈæd.ɪ.tɪv/, kilogram /ˈkɪləɡɹæm/, tantalize /ˈtæntəlaɪz/
Bu videoyla nasıl çalışılır
- Videonun tamamını konuşmadan bir kez dinleyin ve bilmediğiniz kelimeleri not edin.
- 0,75× hızla başlayın, cümle cümle tekrar edin ve kolaylaşınca normal hıza dönün.
- Kendinizi kaydedin ve orijinaliyle karşılaştırın; burger, scaffold, nutrient gibi kelimelere özellikle dikkat edin.
Gölgeleme Tekniği Nedir?
Gölgeleme, başlangıçta profesyonel tercüman eğitimi için geliştirilen ve çok dilli Dr. Alexander Arguelles tarafından popüler hale getirilen, bilim destekli bir dil öğrenme tekniğidir. Yöntem basit ama güçlüdür: ana dili İngilizce olan bir sesi dinler ve hemen yüksek sesle tekrar edersiniz — konuşmacıyı 1-2 saniye gecikmeyle takip eden bir gölge gibi. Pasif dinleme veya dilbilgisi alıştırmalarının aksine, gölgeleme beyninizi ve ağız kaslarınızı gerçek konuşma kalıplarını eşzamanlı olarak işlemeye ve yeniden üretmeye zorlar. Araştırmalar, telaffuz doğruluğu, tonlama, ritim, bağlı konuşma, dinleme anlama ve konuşma akıcılığını önemli ölçüde geliştirdiğini göstermektedir — bu da onu IELTS Konuşma hazırlığı ve gerçek dünya İngilizce iletişimi için en etkili yöntemlerden biri yapar.