You can exercise three hours a day, seven days a week.
你可以每天锻炼三小时，一周七天。
哦，一天三小时。
He practises playing the piano three hours a day.
他每天要练习弹钢琴三个小时。
At home, she studies as much as three hours a day.
每天回家后，她都要学习三个小时左右。
Her stint as a lifeguard usually consumes three hours a day.
救生员这项工作每天通常花费她三个小时。
Certainly, at the absolute maximum, do half-hour on, half an hour off, for two to three hours a day.
当然，最大极限是，走半小时，休息半小时，一天一共走两到三个小时。
In Bangalore water is now available for less than three hours a day, compared with 20 hours in the early 1980s.
例如在Bangalore，现在每天供水的时间不超过3小时，而在1980年代能保证每天20小时的供水。
Excessive crying was defined as crying for more than three hours a day on more than three days in the past week.
过度哭泣被定义为过去一周内哭泣时间一天超过三小时且超过三天的。
I was the one who was supposed to learn a language; I was to go to Italian class three hours a day for the next month.
在接下来的一个月里，我每天要上三个小时的语言课程。
Islands, with 58 percent of boys and 64 percent of girls spending at least three hours a day in sedentary activities.
圣卢西亚和开曼群岛的儿童最惯于久坐，58%的男孩和64%的女孩每天坐着的时间每天至少三个小时。
That seems like an extreme scenario-or maybe not, if you consider that the average American spends three hours a day watching TV.
这是个相对极端的场景，或者说，也很平常了，如果你相信美国人平均一天看3小时电视。
Limiting the time we spend sitting to just three hours a day could add an extra two years to our life expectancy, scientists calculate.
科学家计算出，将每天坐着的时间控制在三小时，便可延长两年的寿命。
And people who work an extra three hours a day - or 55 hours a week - are 33 per cent more likely to have a stroke, the scientists found.
科学家还发现，若每天加班三小时或每周工作55小时，中风几率将增加33%。
Lucia and the Cayman Islands, with 58 percent of boys and 64 percent of girls spending at least three hours a day in sedentary activities.
圣卢西亚和开曼群岛的儿童最惯于久坐，58%的男孩和64%的女孩每天坐着的时间每天至少三个小时。
American kids can usually watch TV three hours a day, whereas their Chinese counterparts have to do their homework most of the time after school.
美国孩子通常每天看三小时电视，而中国孩子必须将放学后的大部分时间用于做家庭作业。
The new guidance from the British health department said children under five who can walk should be physically active for at least three hours a day.
英国卫生署的最新指南说，已经可以走路的五岁以下孩童一天应该要进行至少三小时的身体运动。
American children can usually watch TV three hours a day, whereas their Chinese counterparts have to work on their homework most of the time after school.
美国孩子通常每天看三小时电视，而中国孩子必须将放学后的大部分时间用于做家庭作业。
Nearly a third of teenagers around the world are spending at least three hours a day glued to a screen, either playing games, watching TV, or surfing the net.
全球大约有三分之一的青少年每天要花3个小时的时间对着屏幕，玩游戏、看电视或上网。
American children can usually watch TV (for) three hours a day whereas their Chinese counterparts have to work on their homework most of the time after school.
美国孩子通常每天看三小时电视，而中国孩子必须将放学后的大部分时间用于做家庭作业。
And men who spent more than three hours a day caring for children - playing, feeding, bathing, toileting, reading or dressing them - had the lowest testosterone.
而男子会分出每天三小时多的时光来照料孩子们-在嬉戏，喂食，洗澡，个人卫生，阅读或给他们穿衣服的时候，他们的睾丸激素水平是最低的。
American children can usually watch TV (for) three hours a day, whereas their Chinese counterparts have to work on their homework most of the time after school.
美国孩子通常每天看三小时电视，而中国孩子必须将放学后的大部分时间用于做家庭作业。
There, she and the other women of Pipola spend two or three hours a day, sometimes more, locked in low-intensity combat. "We have to go to the next village," she says.
就这样，她和村里的另一个妇女每天要花上两个或三个小时，有时更多，固定地进行着这场低强度的斗争。
There, she and the other women of Pipola spend two or three hours a day, sometimes more, locked in low-intensity combat. "We have to go to the next village, " she says.
就这样，她和村里的另一个妇女每天要花上两个或三个小时，有时更多，固定地进行着这场低强度的斗争。
On average, however, men who are out of work eke out slightly under three hours a day of housework and child care combined - less than working women do (3.4 hours a day).
然而，平均而言，不工作的男性每天挤出的做家务加育儿的时间要稍逊于3小时——比职业女性还少(每天3.4小时)。
If you spend more than three hours a day in front of a computer or electronic terminal you probably have some level of what physicians are calling "Computer Vision Syndrome."
假如你一天花三个小时以上的时间看电脑或电子设备终端，你就很可能有医生们所说的“电脑视觉综合症”。
The most sedentary nations were St. Lucia and the Cayman Islands, with 58 percent of boys and 64 percent of girls spending at least three hours a day in sedentary activities.
圣卢西亚和开曼群岛的儿童最惯于久坐，58%的男孩和64%的女孩每天坐着的时间至少为三个小时。
The most sedentary nations were St. Lucia and the Cayman Islands, with 58 percent of boys and 64 percent of girls spending at least three hours a day in sedentary activities.
圣卢西亚和开曼群岛的儿童最惯于久坐，58%的男孩和64%的女孩每天坐着的时间至少为三个小时。
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