跟读练习: Gut Bacteria: We Are What We Eat - 通过YouTube学习英语口语
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This is the VOA Special English Health Report.
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This is the VOA Special English Health Report.
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The human digestive system is full of bacteria, mostly good bacteria.
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These organisms help break down food so the body can use the nutrients.
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Scientists are exploring the link between what kinds of bacteria live in our gut our gut
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and what kinds of food we eat.
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Gary Wu from the University of Pennsylvania and other scientists did two studies.
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These studies looked for connections between the food that people ate and the kinds of microbes living in their intestines.
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Mr. Wu says, we found essentially that there are two major categories in
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which individuals could be classified by the bacteria in their gut.
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One associated with sort of a Western type diet,
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and another one associated with a more agrarian or fruit vegetable type of diet.
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In the second study, 10 volunteers took part in a so-called controlled feeding experiment.
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They had to change their normal diet.
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Yet their digestive bacteria remained much the same.
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This suggests that the mix of bacteria is based on long-term dietary patterns,
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not what people ate in recent days.
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Gary Wu thinks testing people's mix of intestinal bacteria might be
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a better way to measure their disease risk than asking about their diet.
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He says intestinal bacteria might even play a part in the development of disease.
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If
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so, this could lead scientists to new ways to help prevent diseases by changing the types of bacteria in a person's gut.
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That's a little more speculative,
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he says, but that's something that is certainly very much of interest in the field.
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The two studies are in the journal Science.
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The research may add to understanding of how diet affects health.
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Another recent study involving diet warned that obesity is increasing worldwide,
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but especially in the United States and Britain.
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The findings appeared in the Lancet Medical Journal.
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Worldwide, experts say one and a half billion adults are overweight.
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Another half billion are obese.
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At current rates, about half of all American adults could be obese by 2030.
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In Britain, obesity rates could reach 48 percent for men and 43 percent for women.
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Experts say the rise in obesity is likely to lead to an increase in cases of diabetes,
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heart disease, cancer, and other conditions.
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Obesity is also on the rise among children.
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For VOA Special English, I'm Alex Villarreal.
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关于本课
在本课中，学习者将专注于通过分析与肠道细菌相关的食物和健康之间的联系，来提高他们的英语口语能力。视频中的信息涉及人类消化系统、饮食习惯以及肠道细菌对健康的影响。通过此课程，学习者将有机会使用新学到的词汇和短语进行增强的英语影子跟读练习，旨在提升他们的流利度和发音准确度。
关键词汇与短语
- 肠道细菌 (Gut bacteria)
- 饮食习惯 (Dietary patterns)
- 消化系统 (Digestive system)
- 微生物 (Microbes)
- 肥胖 (Obesity)
- 营养 (Nutrients)
- 健康风险 (Disease risk)
- 控制饮食实验 (Controlled feeding experiment)
练习技巧
在观看视频时，建议您采取英语影子跟读的方法进行练习，即模仿视频中的讲话者的语调和语速。视频中的句子相对较短，您可以在每一句之后暂停，并尝试重复这句话，以帮助您掌握发音和流利度。记得在shadow speech的过程中，专注于讲话者的语气变化和情感表达，这将有助于您的英语口语练习。此外，反复观看并跟读，会让您对内容有更深入的理解。结合对肠道健康的讨论，您可以在家自行制作相关的饮食计划，并结合这些新词汇进行口语表达，提升实际运用能力。通过坚持练习，shadowspeaks不再是个难题！
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。