跟读练习: How to Maintain Eye Health - 通过视频学习英语口语
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25 句
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1
We rely on our eyes to navigate the world around us.
2
Despite their relatively small size, they're a pretty sophisticated piece of equipment.
3
When light enters your eye, it travels through the clear dome -shaped front layer called the cornea.
4
That dark spot in the middle, the pupil, grows or shrinks to control how much light comes in.
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Passing next through the lens, the light is focused on the retina in the back of your eye.
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There, millions of tiny light -sensitive cells called rods
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and cones convert light into electrical signals that travel down the optic nerve to the brain.
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That's how you know whether you're looking at a tree or your Aunt Bee.
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As you get older, your vision changes.
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The lens can't focus as well on objects.
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That's known as presbyopia, or farsightedness.
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Older eyes have more trouble adjusting to dim light.
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That's why as we age, it's harder to see clearly when driving at night.
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What's more, age makes you more susceptible to eye diseases, like clouded lenses or cataracts.
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the loss of central vision called macular degeneration, and a rise in eye pressure known as glaucoma.
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These conditions can lead to vision loss.
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So for early detection and prompt treatment, it's important to get annual eye exams.
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You can also take steps to help keep your eyes healthy.
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Wear sunglasses that block the sun's harmful UVA and UVB rays.
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Don't smoke.
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It increases your risk for cataracts and macular degeneration.
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Eat a diet with lots of leafy green vegetables.
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They're rich in antioxidants known as lutein and zeaxanthin, which may protect against cataracts and macular degeneration, and include plenty of fish such as salmon,
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which contain omega -3 fatty acids that may also help prevent certain eye conditions.
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Be good to your eyes today, and they'll be there to guide the way, no matter where life might lead you.
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本课的词汇与口语要点
这节 B2 级别的口语课以视频“How to Maintain Eye Health”为素材。 视频中反复出现的词有：eye, cataracts, degeneration, macular, vision。 这段视频共有 25 个句子、313 个单词可供跟读。 讲话部分时长为 1:59。 说话人语速自然，每分钟约 158 个词，接近日常对话。 只有 79% 的单词属于英语最常用的 3,000 词，词汇难度较高。
视频中的重点词汇
视频中最难的 15 个单词，附发音和释义：
| 单词 | 发音 | 释义 |
|---|---|---|
| cataract 名词 | /ˈkætəˌɹæk(t)/ | 白內障 /白内障 |
| degeneration 名词 | /dɪˌdʒɛnəˈɹeɪʃən/ | 惡化 /恶化, 退行 |
| lens 名词 | /lɛnz/ | 透鏡 /透镜, 鏡片 /镜片 |
| antioxidant 名词 | /ˌæntiˈɒksɪdənt/ | 抗氧化劑 /抗氧化剂 |
| cornea 名词 | /ˈkɔː(ɹ)ni.ə/ | 角膜, 眼角膜 |
| farsightedness 名词 | 遠視 /远视, 遠視眼 /远视眼 | |
| glaucoma 名词 | /ɡlɔːˈkoʊmə/ | 青光眼 |
| lutein 名词 | 葉黃素 /叶黄素 | |
| presbyopia 名词 | 老花眼, 老花 | |
| retina 名词 | /ˈɹɛt.ə.nə/ | 視網膜 /视网膜, 網膜 /网膜 |
| optic 形容词 | /ˈɑp.tɪk/ | 視覺的 /视觉的 |
| sunglasses 名词 | 太陽眼鏡 /太阳眼镜, 太陽鏡 /太阳镜 | |
| omega 名词 | /oʊˈmeɪ.ɡə/ | 歐米伽 /欧米伽, 奧米伽 /奥米伽 |
| pupil 名词 | /ˈpjuːpəl/ | 學生 /学生, 弟子 |
| cone 名词 | /ˈkoʊn/ | 錐體 /锥体 |
需要注意的发音
说话人用了 6 次缩略和弱读形式，例如 they're, can't, don't。请按听到的简短形式来说。
- “sh” 和 “zh” 音: degeneration /dɪˌdʒɛnəˈɹeɪʃən/, detection /dɪˈtɛk.ʃən/
- 长单词——注意重音位置: degeneration /dɪˌdʒɛnəˈɹeɪʃən/, antioxidant /ˌæntiˈɒksɪdənt/, zeaxanthin /ziː.əˈzænθɪn/
中文母语者容易读错的音：
- /v/ — 不要读成 /w/，上齿轻触下唇: navigate /ˈnæv.ɪ.ɡeɪt/, vegetable /ˈvɛd͡ʒ.tə.bəl/, convert /kənˈvɝt/, nerve /nɝv/
- 词尾辅音 — 要读清楚，后面不要加元音: cataract /ˈkætəˌɹæk(t)/, lens /lɛnz/, antioxidant /ˌæntiˈɒksɪdənt/, optic /ˈɑp.tɪk/, navigate /ˈnæv.ɪ.ɡeɪt/
- /æ/ — 嘴张大，不要读成 /e/: cataract /ˈkætəˌɹæk(t)/, macular /ˈmækjəlɚ/, antioxidant /ˌæntiˈɒksɪdənt/, zeaxanthin /ziː.əˈzænθɪn/, navigate /ˈnæv.ɪ.ɡeɪt/
如何用这段视频练习
- 先完整听一遍视频，不要开口，记下不认识的单词。
- 先用 0.75 倍速逐句跟读，熟练之后再回到正常速度。
- 录下自己的声音并与原声对比，特别注意 cataract, degeneration, lens 这类单词。
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。