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1·Physical activity is an important factor in maintaining fitness.

体育活动是保持健康的一个重要因素。《柯林斯英汉双解大词典》

2·Children are supposed to get 60 minutes of physical activity every day.

儿童应该每天获得60分钟的体育活动。《柯林斯英汉双解大词典》

3·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。

4·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。

5·Today, in Australia, most children on average fall 2,000 steps short of the physical activity they need to avoid being overweight.

今天，在澳大利亚：大多数孩子平均比避免超重所需的身体活动少了2000步。

6·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。

7·Eat in a balance way and incorporate the right level of physical activity.

饮食要平衡，还要增加适量的体育活动。

8·Physical activity does the body good, and there's growing evidence that it helps the brain too.

体育活动对身体有好处，而且越来越多的证据表明，它对大脑也有益。

9·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。

10·Only if you take an active part in physical activity will you be able to keep fit and stay healthy.

你只有积极参加体育锻炼，才能保持身体健康。