跟读练习: Phát âm chuẩn - Anh ngữ đặc biệt: Mummies and Colon Cancer (VOA) - 通过YouTube学习英语口语
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From VOA Learning English, this is the Science Report.
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From VOA Learning English, this is the Science Report.
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Colon cancer kills about 700,000 people a year worldwide.
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The disease can be treated successfully when found early.
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However, scientists have also identified genetic mutations or changes in the gene's structure connected to the disease.
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Researchers at Tel Aviv University are studying the history of colon cancer.
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Microbiologist Rina Arbisfeld is with the university.
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She wanted to know how genetic mutations and developing colon cancer are related.
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To help her research, Arbisfeld turned to a surprising source,
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Hungarian mummies, discovered in 1994 in a church repair project.
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These dead bodies rested in a cool,
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dry climate for more than two and a half centuries.
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Their fluids and organs were found intact.
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This means the mummies have tissue that could be tested for evidence of disease.
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Arbisfeld and her team separated genetic samples from 22 mummies.
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Then they looked at patterns in the genetic material to search for mutations.
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She says that after many tries her team found one specific mutation in a gene called APC.
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This gene is important.
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Arbusfeld explains that the APC gene is the guard for the development of cancer.
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This information led Arbisfeld to a theory.
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She says if our ancestors with this genetic mutation for colon cancer lived long enough,
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they would have developed the disease.
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Arbisfeld says her next step is to test genetic samples from other sources.
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She says understanding the genetic past of a disease can help handle its future.
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For VOA Learning English, I'm Lucia Malanig.
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上下文与背景
在这段视频中，来自越南语文学习的VOA（美国之音）科学报告中提到了结肠癌的相关研究。结肠癌每年在全球导致约70万人死亡，早期发现可成功治疗。科学家们发现了与结肠癌相关的基因突变，为了研究这些突变及其与结肠癌发展的关系，Tel Aviv大学的微生物学家Rina Arbisfeld的团队通过研究1994年发现的匈牙利木乃伊，揭示了古代人类的遗传历史。通过此案例，学习者不仅可以提高英语听力，还能够借此机会深入了解人体健康与遗传学的关系。这一科学话题为将来讨论提供了丰富的内容，让对生物医学感兴趣的学习者在学习英语时受益匪浅。
日常交流五大常用短语
- Colon cancer - 结肠癌
- Genetic mutation - 基因突变
- Successfully treated - 成功治疗
- Microbiologist - 微生物学家
- Genetic samples - 基因样本
以上短语对于日常交流以及讨论科学话题非常重要，学习者可以在实际交流中尝试使用这些短语，通过看YouTube学英语帮助自己掌握更专业的词汇和表达。
逐步跟读指南
想要有效提升英语口语能力，尤其是面对以上难度较高的内容，跟读（shadowing）是一种非常有效的学习方法。以下是逐步跟读的指南：
- 选择视频片段：选择视频中的一小段，建议在1-2分钟内，以确保能完整跟读。
- 初步观看：先观看视频全片，理解内容大意。关注发音和语调，尝试捕捉重点信息。
- 分段跟读：暂停视频，每次跟读一小段。注意模仿发音、语速和语调，并注意重音部分。
- 重复练习：多次重复以上步骤，逐步提升自己的流利度和自信心。在练习中，可以使用shadowspeak技术，通过记录自己的声音进行对比，找出发音上的差别。
- 日常应用：将所学内容应用到日常对话中，尽量用到新学的短语和句子，从而加深记忆。
通过这种有效的shadow speech 技巧，学习者不仅可以提高发音准确度，还能更好地理解和使用专业术语，助力自己的英语学习之旅。
什么是跟读法？
跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。