英语翻译

分类: 作业答案 • 2021-11-13 00:41:27

问题描述：

英语翻译
For the sixth graders,every hour of sleep above the 9.5-hour average was linked to a 20 percent lower risk of being overweight.For the third graders,every extra hour of sleep they got was linked to a 40 percent drop in overweight.