"Don't forget the jump rope thingie is tomorrow and go to bed at midnight like me and my friend did, " said fourth-grader Isaac Hanly, still puffing and sweaty.

“别忘了明天跳绳的事儿，十二点上床睡觉，就像我和爸爸那样。” 四年级的阿撒克 汉丽气喘吁吁、满头大汗地说。