英语翻译Areyoucarryingtoomuchonyourbackatschool?I’msurelotsofchildrenofyouragewillsay“Yes”.NotonlythestudentsinChinahavethisproblem,butchildrenintheUnitedStatesalsohaveheavyschoolbags.Doctorsarestartin

　　英语翻译

　　Areyoucarryingtoomuchonyourbackatschool?I’m

　　surelotsofchildrenofyouragewillsay

　　“Yes”.Notonlythestudents

　　inChinahavethisproblem,butchildrenintheUnitedStatesalsohaveheavy

　　schoolbags.

　　Doctorsarestartingtoworryaboutyoung

　　students’backandneck,becausetheirschoolbagsare

　　tooheavyforthem.

　　“It’shardfor

　　metogoupstairswithmyheavybag.”SaidRick

　　Hammond,an11-year-oldstudentsintheUS.

　　Rickisamongstudentswhohaveschoolbagswithtwo

　　straps（带子）,andmanyotherstudentschoose

　　rolling（有滚轮的）bags.

　　Butevenwithrollingbags,gettingupstairsandbusesisstilla

　　problemforchildren.Doctorssaystudentsshouldcarrynomorethan10%to

　　15%oftheirownbodyweight.

　　ScottBautch,abackdoctor,saidchildrenunderGrade4should

　　carrynomorethan10%oftheirweightandolderchildren

　　shouldn’tstaywithover15%,becausetheirbodiesare

　　stillgrowing.

　　Teachersandparentsshoulddosomethingstohelpchildren.And

　　thebestansweristohavelesshomework.