跟读练习: Phát âm chuẩn cùng VOA - Anh ngữ đặc biệt: Sleep Brain (VOA) - 通过YouTube学习英语口语
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From VOA Learning English, this is the Health Report.
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From VOA Learning English, this is the Health Report.
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Why do we need sleep?
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Do our brains turn off for the night?
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Scientists recently discovered that our brains may be just as busy at night as they are during the day.
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While we sleep, our brains are doing much more than getting ready for the next day.
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Researchers at the University of Rochester found that the brain may be busy cleaning out harmful waste materials.
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The researchers studied mice that had colored dye injected into their brains.
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They observed the brains of the mice as they slept and when they were awake.
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The researchers Doctors say they saw that the brains of sleeping mice were hard at work.
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Dr. Makin Nedergaard led the study.
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He says our brains perform two very different jobs.
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He says when we are awake,
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our brain is hard at work processing information about our surroundings.
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But at night, our brain works to remove all the waste that builds up during waking hours.
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The researchers say the waste material includes poisons or toxins responsible for brain disorders such as Alzheimer's disease.
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They also found that during sleep, the brain's cells shrink.
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This shrinking permits waste to be removed more effectively.
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The brain's cleaning system could only be studied with new imaging technologies.
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And test animals must be alive in order to see the brain process as it happens.
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Dr. Nedergaard says the next step is to look for the process in human brains.
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She says the results show just how important sleep is to health and fighting disease.
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The research may also lead to treatments that prevent or help fight neurological disorders.
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For VOA Learning English, I'm Alex Villareal.
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关于本课
在本课中，您将练习与睡眠和大脑健康相关的英语发音和口语表达。通过学习由VOA学习英语提供的内容，您可以更深入了解科学研究，同时提高您的英语发音和口语技能。我们将专注于生动的描述和复杂的句子，以增强您的语言学习体验，让您在看YouTube学英语时，不仅可以理解内容，还能流利地表达。
关键词汇与短语
- sleep (睡眠): 身体的恢复过程，关键在于我们的健康。
- brain (大脑): 控制思维和行为的器官，研究表明其在睡眠期间同样活跃。
- waste (废物): 因为清醒而积累的有害物质，影响脑健康。
- Alzheimer's disease (阿尔茨海默病): 一种与大脑功能退化有关的疾病。
- research (研究): 科学探索，揭示睡眠的重要性。
- cleaning system (清理系统): 大脑用来清除有害物质的机制。
- neurological disorders (神经疾病): 影响神经系统的健康问题。
- shrink (收缩): 大脑细胞在睡眠中收缩，利于废物排除。
练习技巧
在本次视频中，由于说话者的语速适中，您可以运用shadow speak方法来提高您的英语发音技巧。以下是一些具体的练习建议：
- 首先，选择视频的一小段，仔细聆听讲述者的每个单词和语调。
- 重复并模拟讲述者的语气和音速，尽量保持与其节奏一致。您可以使用shadowspeak技巧将自己的声音录下来，并与原视频进行对比。
- 注意力集中在关键句子和短语上，例如关于睡眠和大脑的描述，确保能够清楚表达它们的含义。
- 定期练习5-10分钟，确保您能够流利地使用这些新词汇，这样有助于您在实际对话场合中展示您所学的内容。
- 请记住，提高英语发音和流利度需要时间和耐心，持续的英语口语练习将帮助您达到目标。
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。