许多人每天早上锻炼，除非恶劣的天气阻止了他们。
Lots of people exercise every morning unless bad weather stops them.
切记，如果孩子每天锻炼身体，晚上只进行一些安静的活动，他们就睡得更好更香。
Keep in mind that kids sleep better if they exercise every day and have some quiet activities at night.
他们研究了咖啡因对两组男性锻炼者的作用：一组是通常很少饮用咖啡的，另一组则是保持着平均每天四杯咖啡的吸收量。
They studied the effects of caffeine on two groups of male exercisers: those who usually consumed little caffeine and those with an average intake of four cups a day.
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