They should make sure that students have breaks and enough physical activity.
他们应该确保学生有休息时间和足够的体育活动。
School students should have at least three hours of active physical activity each week.
学生每周至少应该有三个小时的体育活动。
After a tough workout or a day full of physical activity, it's common to find your muscles aching.
在一次艰苦的锻炼或一整天体力活动后，肌肉酸痛是很常见的。
Right after your evening meal, engage in some sort of physical activity—a sport such as bowling, perhaps.
在你晚餐之后，参加一些体育活动，比如打保龄球。
Maintaining a level of daily physical activity may help mental functioning, says Carl Cotman, a neuroscientist at the University of California at Irvine.
加州大学欧文分校的神经学家卡尔·科特曼表示，每天保持一定的体育锻炼可以促进心理机能。
As well as the new uniform, she said the school would change timetables to make sure there would be chances for students to take part in physical activity every day.
她说，除了新校服，学校还将改变课程表，以确保学生每天都有机会参加体育活动。
This accords with anecdotal evidence that people often yawn in situations where they are neither tired nor bored, but are preparing for impending mental and physical activity.
这与坊间流传的证据相符，即人们常会在既不累也不无聊的情况下打哈欠，只是为即将到来的精神和身体活动做准备。
"Collaboration, negotiation, decision making, creativity, leadership, and increased physical activity are just some of the skills and benefits children gain through play," they wrote.
他们写道：“协作、谈判、决策、创造力、领导力和增强的运动能力只是孩子们通过玩耍获得的一些技能和好处。”
People who get plenty of physical activity might worry less and sleep better at night.
锻炼充分的人可能会更少产生担忧的情绪，晚上也会睡得更好。
They also completed a questionnaire about physical activity and smoking.
他们还完成了一项有关体育活动和吸烟的问卷调查。
Begin by going on a brisk walk so your body gets used to physical activity.
以轻快的步行开始你的训练，让你的身体习惯于这种体育锻炼活动。
The results held even when the researchers adjusted for levels of physical activity.
甚至当研究者校正了他们的身体活动水平后，结果依然如此。
Calculations are based on U. s. physical activity data and cancer incidence statistics.
其分析计算结果基于美国体育锻炼数据和癌症发病率统计数据。
Amounts of physical activity greater than 60 minutes provide additional health benefits.
大于60分钟的身体活动可以提供更多的健康效益；
As a general goal, include at least 30 minutes of physical activity in your daily routine.
作为一般目标，每天至少要坚持30分钟的体力活动。
Study participants averaged an extra 20 minutes a day of physical activity over six months.
在超过六个月的时间里，实验者每天都会有平均20分钟的额外身体锻炼。
Urban environments tend to discourage physical activity and promote unhealthy food consumption.
城市环境往往不利于身体活动并会助长不健康的饮食习惯。
‘We need 30 minutes of physical activity at least five days a week to keep our hearts healthy.’
我们需要至少每周五天每次半小时的身体运动以保持一颗健康的心脏。
Growing up in a poor country does not necessarily mean that kids get more physical activity.
在贫穷国家长大，并不意味著能得到更多的锻炼。
The Mayo Clinic Diet promotes regular physical activity and exercise, as well as healthy eating.
“梅奥食谱”提倡规律的体育锻炼和健康饮食摄入。
The second arm was the same, except physical activity started six months after beginning the diet.
第二组除了在参与节食六个月后开始体能锻炼外，其他与前一组相同。
If you don't like team sports, that's OK. Find another form of physical activity that gets you going.
如果你不喜欢集体竞赛项目，没关系，另外找一个你感兴趣的体育活动。
The negative impact of screen time was not remedied by increasing a child's physical activity levels.
加强体育锻炼并不能抵消长时间面对屏幕带来的负面影响。
Cleaning the house, making the bed, shopping, mowing and gardening are all forms of physical activity.
清理房间、整理床铺、购物、割草和园艺都是身体活动的形式。
Many kids enjoy physical activity because it's an effective way to relieve built-up energy and tension.
许多孩子喜爱体育活动是因为这是一个有效的途径来释放累积的能量和紧张情绪。
Play Sports -find a physical activity that will get you to move and provides a challenging environment.
进行体育锻炼-选择一项体育运动，能让你活动起来，给你提供具挑战性的环境。
Changing the level of physical activity raises challenges for the individual but also at societal level.
改变身体活动水平在个人以及社会层面上都造成挑战。
You need to get some arduous daily physical activity, at the gym or just by doing some serious gardening.
因此，你需要每天找些强度较大的体力活动做，去健身馆健身或只是认真地做些园艺工作都行。
The Latin American “Ciclovias” initiative for promoting physical activity is being copied around the world.
拉丁美洲旨在促进身体活动的“Ciclovias”倡议正在被世界各地复制。
The Latin American “Ciclovias” initiative for promoting physical activity is being copied around the world.
拉丁美洲旨在促进身体活动的“Ciclovias”倡议正在被世界各地复制。
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