To learn more about how exercise affects the brain, scientists in Ireland recently asked a group of sedentary male college students to take part in a memory test followed by strenuous exercise.
为研究运动如何影响大脑，最近爱尔兰科学家们邀请一组久坐不运动的大学男生参加一项实验，先进行一场干劲十足的运动，再参加记忆力测试。
Take a little light exercise - nothing too strenuous.
做点儿简单的练习，别做太费力的。
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