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.
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.
答
六年级学生,每小时的睡眠高于平均9.5小时与超重的风险降低20%。三年级,每小时的睡眠他们就下降40%超重。
答
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.
为第六个年级，以上的睡眠9.5-hour平均每小时与肥胖的风险降低百分之20。对于第三年级的学生，每多一个小时的睡眠，在超重的下降百分之40。
求采纳！
答
对于六年级(的孩子来说),平均9.5小时以上的睡眠,每小时都会(降低)20%的肥胖风险.对于三年级(的孩子来说),多一个小时的睡眠都会(降低)40%的肥胖风险.