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新奇事件簿(翻译+字幕+讲解):全球遇近视眼危机

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Researchers predicted in a new report published in the journal Opthalmology that by 2050, half of the world's population will be short-sighted. The medical term for this condition is myopia. It is also known as near-sightedness. It is when we have difficulty focusing on objects that are far away from us. The researchers say that around 4.8 billion people will suffer from myopia. This is a seven-fold increase in cases from 2000 to 2050. Sixty years ago, around 15 per cent of the Chinese population was short-sighted. Now, almost 90 per cent of Chinese teenagers and young adults have trouble seeing faraway objects. A recent survey found that up 95 per cent of teenagers in South Korea are near-sighted.

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The researchers said they could not pinpoint definite reasons for this phenomenon and say it could be a combination of factors. They did say that looking at computer screens and mobile phones could be a leading cause. Researchers said the sudden rise in myopia may be linked to "lifestyle changes resulting from a combination of decreased time outdoors and increased near-work activities". Science journalist Sarah Zhang said, "spending time outdoors, especially in early childhood, reduces the onset of myopia". Professor Kovin Naidoo, a co-author of the report, offered some advice. He said: "You could spend a long time reading computers and screens, but also spend two hours outdoors."

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重点单词   查看全部解释    
onset ['ɔnset]

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n. 攻击,进攻,肇端

 
pinpoint ['pinpɔint]

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n. 极小之物 v. 精确地找到,准确地轰炸

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myopia [mai'əupiə]

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n. 近视,缺乏远见

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shark [ʃɑ:k]

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n. 鲨鱼
n. 贪婪的人,放高利贷的人,老手

 
fatal ['feitl]

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adj. 致命的,毁灭性的,决定性的

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combination [.kɔmbi'neiʃən]

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n. 结合,联合,联合体

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population [.pɔpju'leiʃən]

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n. 人口 ,(全体)居民,人数

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blindness ['blaidnis]

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n. 失明;无知;[军]盲区

 
minutes ['minits]

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n. 会议记录,(复数)分钟

 
definite ['definit]

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adj. 明确的,确切的,有把握的

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关键字: 新奇事件 近视眼 2050

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