VOA慢速英语(翻译+字幕+讲解):揭人类睡眠之谜
日期:2015-12-17 19:41

(单词翻译:单击)

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听力文本

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Study: Humans Sleep Less, Better Than Other Animals
Humans need less sleep than other mammals, yet their slumber is more efficient, said researchers at Duke University in North Carolina.
In their study, the scientists researched sleep patterns of hundreds of animals. They discovered humans sleep for shorter periods of time compared to other animals.
The study also concluded that a human's sleep is higher quality. A deeper stage of sleep, called rapid eye movement sleep, or REM, makes up 25 percent of a human's sleep. In primates like lemurs or monkeys, REM sleep does not reach the five percent mark.
"Humans are unique in having shorter, higher quality sleep," said David Samson, a study co-author.
Samson's research team found that humans can prosper with an average of seven hours of sleep a day. Other primates need as many as 14 to 17 hours of sleep.
Samson said human sleep habits evolved during prehistoric times. Human ancestors moved from sleeping in trees to sleeping on the ground. Better sleeping habits resulted in better sleep in a shorter amount of time.
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词汇解析

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1.better than 好于;高于

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For all your explanation, I understand no better than before.
尽管你做了解释,我还是不懂QWkvj2QB^b&V+r2s5

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2.patterns of 类型;形态

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They like new patterns of family life.
他们喜欢新的家庭生活方式MBYAs;Cr~V(1I4OcPTG

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3.hundreds of 数以百计的

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Money to the extent of hundreds of thousands was set in motion.
流通的金钱达几十万金元之多+b+kJxcTvoltk8

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4.stage of ...阶段

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At present, China is still on the initial stage of socialism.
现在, 中国仍然处在社会主义的初级阶段dX.S)9[UO2+enW

内容解析

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1.In their study, the scientists researched sleep patterns of hundreds of animals. They discovered humans sleep for shorter periods of time compared to other animals.

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compared to 致力于;从事于

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After all, compared to your organization, we are the new boys.
同你们机构相比,我们毕竟是新手64hr~xDEpb@4z6r
Compared to ours their house is a palace.
他们的房子和我们的相比简直太豪华了iwH=BEP9FXFpQq8AS&

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2.Samson's research team found that humans can prosper with an average of seven hours of sleep a day. Other primates need as many as 14 to 17 hours of sleep.

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as many as 与...一样多;

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You may take as many as you want.
你要多少就可拿多少O*j|d.cd.Ii
There are as many as 300 new products on show.
展出的新产品不下于三百种LXsqsFy|%rMB

参考译文

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揭人类睡眠之谜
美国北卡罗来纳州杜克大学的研究人员表示,人类的睡眠比其它的哺乳类动物少的多,然而睡眠质量却高于其他的动物RR)p[scB3I*
研究显示,科学家们对数百种动物进行睡眠规律的测试M#DD(oZjz_。最后发现,与其它动物的睡眠时间相比,人类的睡眠时间要少很多R!3h%-bs49%Vz6!1iw
研究还得出另一个结论:人类的睡眠质量较高Ldm^!Z-]uUKN深度睡眠也被称为快速眼动睡眠,占人类睡眠的25%dF&8r(=W*fC!Gs。而狐猴或猴子之类的灵长类,其快速眼动睡眠竟然不及5%pjqG8=;R4+M!2ucR=ciG

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睡眠之谜.jpg
研究的另一合作者大卫·萨姆森表示,“人类睡眠时间虽短但是睡眠质量却很高,这是人类独有的特点3Ck98uE#UPGZTDI&kz。”
萨姆森的研究团队还发现,人类平均每天睡7个小时就能精神焕发v6-)d7,[aZZ-2。而其它的动物则需要长达14甚至17个小时(+9ox[2AMH4Q%!^oeL[0
萨姆森称,在史前时期人类这一睡眠习性开始发生进化m^5Q%R2b56E=G。人类祖先先是睡在树上继而睡在地上*q@gWY(+bI!L~。良好的睡眠习惯能够让你在短时间的睡眠中拥有较高的睡眠质量!S=GgI_FNm+!4ZK
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译文为可可英语翻译,未经授权请勿转载!

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重点单词
  • slumbern. 睡眠,微睡,休止状态 v. 睡觉,打盹,静止,休眠
  • prospervi. 繁盛,成功,兴旺
  • movementn. 活动,运动,移动,[音]乐章
  • understandvt. 理解,懂,听说,获悉,将 ... 理解为,认为
  • initialn. (词)首字母 adj. 开始的,最初的,字首的 v
  • prehistoricadj. 史前的 =prehistorical
  • uniqueadj. 独一无二的,独特的,稀罕的
  • extentn. 广度,宽度,长度,大小,范围,范围,程度 n. [
  • efficientadj. 效率高的,胜任的
  • explanationn. 解释,说明