シャドーイング練習: The life cycle of a t-shirt - Angel Chang - YouTubeで英語スピーキングを学ぶ
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Consider the classic white t-shirt.
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Consider the classic white t-shirt.
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Annually, we sell and buy two billion t-shirts globally, making it one of the most common garments in the world.
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But how and where is the average t-shirt made, and what's its environmental impact?
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Clothing items can vary a lot, but a typical t-shirt begins its life on a farm in America, China, or India where cotton seeds are sown, irrigated and grown for the fluffy bolls they produce.
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Self-driving machines carefully harvest these puffs, an industrial cotton gin mechanically separates the fluffy bolls from the seeds, and the cotton lint is pressed into 225-kilogram bales.
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The cotton plants require a huge quantity of water and pesticides.
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2,700 liters of water are needed to produce the average t-shirt, enough to fill more than 30 bathtubs.
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Meanwhile, cotton uses more insecticides and pesticides than any other crop in the world.
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These pollutants can be carcinogenic, harm the health of field workers, and damage surrounding ecosystems.
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Some t-shirts are made of organic cotton grown without pesticides and insecticides, but organic cotton makes up less than 1% of the 22.7 million metric tons of cotton produced worldwide.
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Once the cotton bales leave the farm, textile mills ship them to a spinning facility, usually in China or India, where high-tech machines blend, card, comb, pull, stretch, and, finally, twist the cotton into snowy ropes of yarn called slivers.
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Then, yarns are sent to the mill, where huge circular knitting machines weave them into sheets of rough grayish fabric treated with heat and chemicals until they turn soft and white.
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Here, the fabric is dipped into commercial bleaches and azo dyes, which make up the vivid coloring in about 70% of textiles.
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Unfortunately, some of these contain cancer-causing cadmium, lead, chromium, and mercury.
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Other harmful compounds and chemicals can cause widespread contamination when released as toxic waste water in rivers and oceans.
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Technologies are now so advanced in some countries that the entire process of growing and producing fabric barely touches a human hand.
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But only up until this point.
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After the finished cloth travels to factories, often in Bangladesh, China, India, or Turkey, human labor is still required to stitch them up into t-shirts, intricate work that machines just can't do.
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This process has its own problems.
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Bangladesh, for example, which has surpassed China as the world's biggest exporter of cotton t-shirts, employs 4.5 million people in the t-shirt industry, but they typically face poor conditions and low wages.
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After manufacture, all those t-shirts travel by ship, train, and truck to be sold in high-income countries, a process that gives cotton an enormous carbon footprint.
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Some countries produce their own clothing domestically, which cuts out this polluting stage, but generally, apparel production accounts for 10% of global carbon emissions.
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And it's escalating.
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Cheaper garments and the public's willingness to buy boosted global production from 1994 to 2014 by 400% to around 80 billion garments each year.
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Finally, in a consumer's home, the t-shirt goes through one of the most resource-intensive phases of its lifetime.
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In America, for instance, the average household does nearly 400 loads of laundry per year each using about 40 gallons of water.
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Washing machines and dryers both use energy, with dryers requiring five to six times more than washers.
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This dramatic shift in clothing consumption over the last 20 years, driven by large corporations and the trend of fast fashion has cost the environment, the health of farmers, and driven questionable human labor practices.
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It's also turned fashion into the second largest polluter in the world after oil.
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But there are things we can do.
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Consider shopping secondhand.
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Try to look for textiles made from recycled or organic fabrics.
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Wash clothes less and line dry to save resources.
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Instead of throwing them away at the end of their life, donate, recycle, or reuse them as cleaning rags.
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And, finally, you might ask yourself, how many t-shirts and articles of clothing will you consume over your lifetime, and what will be their combined impact on the world?
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この動画では、Tシャツのライフサイクルについての詳細な説明がなされています。毎年、世界中で約20億枚のTシャツが販売され、最も一般的な衣服の一つとなっています。その製造過程や環境への影響について知ることで、私たちはより持続可能な選択ができるようになります。英語を学ぶ際にも、このテーマは語彙や表現力を高めるための貴重な資源となるでしょう。
毎日の会話に役立つ5つのフレーズ
- “How is a t-shirt made?” - Tシャツはどのように作られますか？
- “What is its environmental impact?” - その環境への影響は何ですか？
- “Consider shopping secondhand.” - 中古品を購入することを考えてみてください。
- “Try to look for organic fabrics.” - 有機製品を探してみてください。
- “How many t-shirts will you consume?” - あなたは今後何枚のTシャツを消費しますか？
ステップバイステップのシャドーイングガイド
この動画を使って英語を学ぶには、次の手順を試してみてください。
- 動画を通して視聴する: 初めに、全体を通してこの動画を視聴し、内容をつかみます。
- フレーズをメモする: 上記のフレーズや興味のある表現をメモし、自分の単語帳に加えましょう。
- セクションごとのリピート: 各セクションを小さく区切り、少しずつイミテーションしながら聴きます。特に、英語シャドーイングの手法を用いて、話し手の発音やリズムに合わせて声に出してみましょう。
- リスニングとスピーキングの練習: 「shadowspeak」や「shadow speak」を意識し、聞いたフレーズを繰り返すことで、発音やイントネーションを改善します。
- 実生活での使用: 学んだ表現を実際の会話で使う機会を作ります。友人に話しかけたり、家族に質問したりしてみてください。
このプロセスを通じて、YouTubeで英語学習を行いながら、より効果的に英語を身につけ、持続可能なファッションについての理解を深めましょう。
シャドーイングとは？英語上達に効果的な理由
シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。