Doctors work an average of 90 hours a week, while a few are on call for up to 120 hours.
医生们平均每周工作90个小时，而有些出诊长达120个小时。
Involvement in sports, in particular, rose almost 50% from 1981 to 1997: boys now spend an average of four hours a week playing sports; girls log half that time.
特别体育运动参与率从1981年到1997年上升了近50%：男孩们现在平均每周花四个小时做运动；而女生则只花一半的时间。
In 1981 children in the United States spent an average of slightly less than two and a half hours a week doing household chores; by 1997 they had spent nearly six hours a week.
1981年，美国儿童平均每周花在家务上的时间略少于两个半小时；到1997年，这个时间达到近6个小时。
According to Nielsen, which looked at all U.S. Internet users, the average usage per week is closer to 17 hours.
根据评判全体美国网民的尼尔森公司调查，平均花在网上的时间应该接近17个小时。
Britons spend an average of 23 hours a week online, compared with 14 hours per week for Americans.
与美国每周人均上网时间为14小时相比，英国人均值为23小时。
The average American works at least 40 hours a week (some of us more), which is nearly half of our week in which we are awake.
美国人平均每个星期至少要工作40个小时(有些人工作的时间更长)，也就是说，一个星期中我们有将近有半个星期的时间都是醒着的。
In 2009, the average U.S. Internet user spent 13 hours per week online.
2009年，美国网民每周平均13小时在线。
Broadband connections in Europe have grown by 95% in the last five years and the average European now spends about 8.9 hours per week online.
欧洲的宽带接入在过去5年增长了95%，而且现在欧洲人每周会花8.9个小时上网。
The average online Brit spends 4.6 hours a week talking to friends online and only six hours a week talking to people in person, said Yazino.
Yazino称，由于上述的种种原因，英国人平均每周花4.6个小时和朋友在网上聊天，而用于当面交流的时间仅为6小时。
Players can spend hours at a time on "raids", with researchers estimating that the average Warcraft player spends around 25 to 40 hours per week playing the game.
玩家在RAID副本中能连续奋战数小时。研究人员估计，魔兽玩家每周玩游戏的时间平均约为25至40个小时。
Based on the average gaming week of 12.2 hours, this translates to a potential 1,830 calories burned per week when using Wii--40% more than when using a traditional format console.
如果以每周平均玩12.2小时的游戏计算，Wii游戏每周可消耗掉1830卡路里，比使用传统的游戏手柄消耗的能量多出40％。
Facebook-using participants also admit to a much lower average number of weekly study hours, 1 to 5 hours a week compared to 11 to 15 for the higher-scoring bunch.
另外使用Facebook的受访者也承认他们每周的平均学习时间要少很多，每周只有1～5个小时，相比之下，那些分数高的学生每周学习上花的时间是11到15个小时。
Based on the average gaming week of 12.2 hours, this translates to a potential 1, 830 calories.
如果以每周平均玩12.2小时的游戏计算，Wii游戏每周可消耗掉1830卡路里，比使用传统的游戏手柄消耗的能量多出40%。
In 1977, men spent, on average, only six hours a week doing housework, as compared to 21 hours for women.
在1977年，男性每周仅花6个小时做家务，而女性则多达21个小时。
Houstonians work the longest hours of any city we ranked; an average of 41.2 hours per week.
休斯顿人的工作时间是所有参评城市中最长的，平均每周41.2个小时。
According to the Henley Centre, working fathers in the U. k. average 48 hours of free time a week.
据亨利中心的调查，在英国，有工作的父亲平均每周有48小时的空余时间。
Yet one bit of old media seems to be doing rather well. In the final quarter of 2009 the average American spent almost 37 hours a week watching television.
但传统媒体中有一位似乎混得也还游刃有余：据统计，在2009年的第四季度，美国的普通老百姓每星期有将近37小时是花在看电视上的。
Kids at the first school, an expensive private academy, got an average of 9.2 hours per week of scheduled, usually rigorous physical education.
第一所学校，是一家昂贵的私立学校，那里平均每周安排孩子们进行9.2小时通常很严格的体育训练。
At 33.3 hours, the average working week is the shortest since at least 1964.
平均每周工作33.3小时，至少是1964年以来的最短记录。
Even in the rich world women spend at least twice as much time as men on unpaid work: an average of 33 hours a week, against 16 for men.
即使是在富裕国家，妇女从事家务的时间也是男性的两倍(妇女每周花在家里的平均时间为33个小时，而男性的只有16个小时)。
The average amount of time spent on virtual networking is nearly three hours a week, or six days a year.
宽带用户用于虚拟网络社交的平均时间为每周近三个小时，相当于每年六天。
By 2010, Microsoft predicts that Europeans will spend an average of 14.2 per week on the Internet, while they will only sit in front of their TVs for 11.5 hours per week.
到2010的时候，微软预测欧洲人平均每周将会在互联网上花费14.2小时，而与此同时，他们每周坐在电视机前的时间为11.5个小时。
The AARP study finds that family members spend an average 20 hours a week providing care.
美国退休协会发现家庭成员每周要花平均20小时照顾家人。
Japanese women, who typically work 40 hours a week in the office, then do, on average, another 30 hours of housework.
一个每周工作40个小时的日本女性还要再做平均每周30小时的家务活。
Japanese women, who typically work 40 hours a week in the office, then do, on average, another 30 hours of housework.
一个每周工作40个小时的日本女性还要再做平均每周30小时的家务活。
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