深入研究岁时体育，对发扬民族传统文化，深入了解体育的历史文化背景都具有重要意义。
To study it thoroughly is of great significance in developing the national traditional culture and in deeply understanding the historical cultural background of sport.
一项对受访者在12岁至18岁时所从事的体育活动的研究发现，高强度短跑同样可以起到上述效果。
The same can be said for high impact sprinting, a study on sport played between the ages of 12 and 18 found.
孩子12岁时，你所记得的，是孩子在体育场打棒球练习赛时，你坐在看台上希望你孩子所在的队很快三击不中出局，因为家里还有更重要的事等你去做。
All you remember about your child being twelve is sitting in the stands during baseball practice and hoping your child's team would strike out fast because you had more important things to do at home.
孩子12岁时，你所记得的，是孩子在体育场打棒球练习赛时，你坐在看台上。
All you remember about your child being twelve is sitting in the stands during baseball practice and.
你10岁时，她整日开车送你去这儿那儿，从足球场到达体育馆，从一个生日聚会送到另一个生日聚会。
When you were 10 years old, she drove you all day, from soccer to gymnastic to one birthday party after another.
42岁时，再次询问这些人看电视以及做体育运动的时间，并对其身高体重进行评估。
At age 42 they were asked how much time they spent watching TV and on a range of physical activities and sports. They were also asked to assess their health and weight.
孩子12岁时，你所记得的，是孩子在体育场打棒球练习赛时，你坐在看台上，希望你孩子所在的队很快三击不中出局，因为家里还有更重要的事等你去做。
All you remember about your child being twelve is sitting in the stands during baseball practice and hoping your childs team would strike out fast because you had more important things to do at home.
孩子12岁时，你所记得的，是孩子在体育场打棒球练习赛时，你坐在看台上，希望你孩子所在的队很快三击不中出局，因为家里还有更重要的事等你去做。
All you remember about your child being twelve is sitting in the stands during baseball practice and hoping your childs team would strike out fast because you had more important things to do at home.
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