跟读练习: Phát âm chuẩn - Anh ngữ đặc biệt: Low Levels of Vitamin D Might Hurt Brain (VOA) - 通过YouTube学习英语口语
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Music From VOA Learning English,
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Music From VOA Learning English,
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this is the Health Report.
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Vitamin D is important for healthy bones and teeth.
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It may also help to protect the body against diseases such as diabetes and cancer.
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Now, researchers say vitamin D might help fight brain diseases called dementias.
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Dementias damage thinking and memory processes,
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what scientists call cognitive abilities.
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Dementias are difficult to treat,
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and the disease is very frightening to those who have it.
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More than 47 million people around the world suffer from dementia.
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The World Health Organization reports that 60% of them live in low- and middle-income countries.
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Now, a new study in the United States shows a possible link between dementia and low levels of vitamin D.
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Researchers at Rutgers University in New Jersey are exploring the relationship between vitamin D and dementia.
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The team recently measured vitamin D levels and cognitive ability in older people.
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Nutritional sciences professor Joshua Miller led the team.
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He said cognitive abilities differed among the subjects studied.
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He said tests showed that about 60% of the group was low in vitamin D.
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Those subjects who had low vitamin D levels showed more short-term memory loss.
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They also were less able to organize thoughts,
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order tasks by importance, and make decisions.
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The findings suggest that vitamin D might play a part in slowing dementia.
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More studies, however, are needed to see if vitamin D supplements can help.
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The research was published in JAMA Neurology.
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For VOA Learning English, I'm Jonathan Evans.
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背景与上下文
在本视频中，老师通过报告的形式向观众介绍了一项关于维生素D与大脑健康之间关系的最新研究。报告强调维生素D对健康骨骼和牙齿的重要性，同时也可能帮助抵御糖尿病和癌症等疾病。这项研究特别关注了维生素D对认知能力（如记忆和思维过程）的影响，突显了维生素D在减缓老年痴呆症方面的可能作用。为了帮助学习者提升英语发音和口语能力，本内容将特别聚焦于有效的跟读练习方法。
日常交流中的五个常用短语
- 维生素D很重要。 (Vitamin D is important.)
- 它可能帮助保护身体。 (It may help protect the body.)
- 大脑疾病是一个严峻的挑战。 (Brain diseases are a serious challenge.)
- 认知能力因人而异。 (Cognitive abilities vary among individuals.)
- 我们需要更多的研究。 (We need more research.)
逐步影子跟读指南
为了提高英语发音和口语能力，采用 英语影子跟读 方法是非常有效的。以下是关于如何利用本视频进行逐步跟读的指导：
- 第一步： 首先，观看视频并认真听取每一句话。试着理解每个句子的意思和上下文。
- 第二步： 重复单句，关注发音、语调与节奏。一开始，您可以选择慢速播放，确保能清晰地模仿每个单词。
- 第三步： 尝试shadowspeak：听一句、停顿，再朗读。此时要注重语音的流畅和准确性，将注意力放在您所听到的语音特征上。
- 第四步： 记录下来。自己朗读之后，可以将声音录制下来与原视频进行对比，找出需要改进的地方。
- 第五步： 循环练习。每天重复这些句子，逐渐提高发音的自然度和流利度。
通过持续的英语口语练习和英语影子跟读，学习者不仅能提高英语发音，还能增强对英语对话的自信心。记住，练习是成功的关键，尤其在提升语言能力的过程中。通过使用以上方法，您将能更有效地掌握英语发音，提高与他人的交流能力。
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。