To avoid puffy, bloodshot eyes, dark under-eye circles and a pale washed-out complexion — and for peak alertness and energy — experts say you need eight hours of sleep a night.
专家们说，人每天的正常睡眠应达到8小时，这样才能保证头脑清醒，精力充沛，避免出现眼睛浮肿、充血，黑眼圈，和面色苍白等现象。
We see, say, seven or eight places, great historical sites, massive city walls, temples, gardens and pavilions, etc. in the space of five hours.
我们一起观看谈论，七八个地方，伟大的历史遗址，破烂的城墙，寺庙，园林和楼阁等等。
What I was trying to say about Howie, you could look into his eyes eight hours a day.
对于霍威，我尽力要说的是，你可以每天八个小时的察看他的眼睛。
"We can't say that just because we are not getting eight hours in the summer we are sleep-deprived."
我们不能认为，夏天未睡到8个小时就睡眠不足。
Scientists say that despite the widely held belief that we need eight hours of sleep a night, six to seven hours is the natural amount.
尽管大多科学家都坚信一天需要睡八个小时，但是六个小时就已经是自然睡眠的足够时间了。
Many office workers spend eight hours (minimum) a day working on the computer. Arms may become flabby due to lack of exercise. Say goodbye to flabby arms!
许多白领每天对着电脑，一坐就是八小时，长期缺乏运动使得手臂赘肉越来越多，是时候跟你的摆摆袖说再见了！
Scientists say that despite the widely held belief we need eight hours of sleep a night, six to seven hours is the natural amount.
尽管大多科学家都坚信一天需要睡八个小时，但是六个小时就已经是自然睡眠的足够时间了。
Be vigilant about getting six to eight hours a night and say no to those frequent allnighters to push projects over the line.
注意保证每晚六至八小时的睡眠，拒绝那些经常熬夜来推动项目进度的人。
The researchers say that the 10 reported patients had lesions on one or both of their upper legs that developed after several weeks to months of laptop use of six to eight hours per day.
研究人员说10例报道的病例有一条或两条大腿的损伤，这出现在数周到数月内每天使用笔记本电脑6- 8小时之后。
The researchers say that the 10 reported patients had lesions on one or both of their upper legs that developed after several weeks to months of laptop use of six to eight hours per day.
研究人员说10例报道的病例有一条或两条大腿的损伤，这出现在数周到数月内每天使用笔记本电脑6- 8小时之后。
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