Australians are the keenest social network users, spending more than 7 hours a month on such sites, according to a study.
一项调查显示，澳大利亚人最热衷社交网站，每个月花费在这些网站上的时间超过7小时。
It's no surprise, then, that more than half of American adults don't get the 7 to 9 hours of shut-eye every night as recommended by sleep experts.
因此，超过半数的美国成年人没有按照睡眠专家的建议每晚合起眼睛睡7到9个小时，就不足为奇了。
Researchers followed 68, 183 middle-aged women for 16 years and found that those who slept 5 hours or less per night were one third more likely to gain weight than those who slept for 7 hours.
研究人员对68183名中年女性进行了长达16年的“跟踪”调查，结果发现，每晚睡眠时间为5小时或不足5小时的女性发胖的几率比每天睡7小时的女性高三分之一。
People who sleep less than 7 hours a night tend to have a higher body mass index than people who sleep more, according to data gathered by the US National Health and Nutrition Examination Survey.
根据美国国家健康与营养调查中心收集来的数据，睡眠不足7小时的人有很大几率比睡眠充足的人更容易变得肥胖。
According to a new study women who sleep 5 hours or less per night weigh more on average than those who sleep 7 hours.
根据一项新的研究，每天睡眠不足五小时或是更少的女性比起那些睡眠七小时的女性平均来讲会更胖。
It takes only 3 hours from Wuhan to Guangzhou, less than 7 hours than before. The high speed railway is well-equipped and comfortable. It is more human.
武汉至广州仅需3小时，比先前减少7个多小时；高铁列车设施齐全，安全舒适，更具人性化。
One study reports that people who sleep 5 hours or less per night generally weigh more than those who get a 7-hour sleep.
一项研究表明每天睡眠小于5小时的人比7小时的人更容易长胖。
But the stock slumped more than 8% after hours, after company executives said on the conference call that its switching revenue was down 7% for the period.
但是在公司执行官们在会议上说他们的交换机销售额在该季度下跌了7%之后，股票在几小时后跌落了超过8%。
On average, women who slept 5 hours or less per night weighed 5.4 pounds more at the beginning of the study than those sleeping 7 hours and gained an additional 1.6 pounds more over the next 10 years.
每晚睡眠不足五小时或更少的女性和那些睡眠保证七小时的女性相比，体重平均增加5.4磅，而且在之后的十年里又增加1.6磅。
Women who said they slept for 5 hours or less each night, on average, weighed 5.4 pounds more at the beginning of the study than those sleeping 7 hours.
初期调查显示，每晚睡眠少于5个小时的妇女比睡足7个小时的妇女平均体重多出5.4磅。
The results fell short of Wall Street expectations and Apple's shares were down more than 7 percent in early after-hours trading.
由于季度业绩不及华尔街预期，苹果股价在盘后交易早期下跌逾7%。
People under 40 gained 1.8 kilograms more on average if they got less than 5 hours of sleep per night than if they slept for 6 or 7 hours.
四十岁以下的人如果每晚睡眠时间不足5个小时，比起其每晚睡6—7个小时来，平均体重增加超过1.8公斤。
This morning we left Beijing and flew for about two hours to Xi 'an, a city of more than 7 million people in central China.
今早我们离开了北京，坐了2小时飞机来到西安。西安是中国中部的一个城市，人口超过700万。
Take 1 lozenge every two hours, up to 6 lozenges per day. Allow lozenge to dissolve slowly in the mouth. This product should not be use for more than 7 days.
每两小时吃一粒锌片，每天最多吃6粒，让锌片在口里慢慢溶化，本产品不能服用超过7天。
Take 1 lozenge every two hours, up to 6 lozenges per day. Allow lozenge to dissolve slowly in the mouth. This product should not be use for more than 7 days.
每两小时吃一粒锌片，每天最多吃6粒，让锌片在口里慢慢溶化，本产品不能服用超过7天。
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