set the world record和set a world record的区别.需要精确地回答!

set up a new world record等于make\do\build anew world record? 为什么set the world record要加the 在线连词成句 set ,Games,a,the,record,world,at,2008,Beijing,Phelps, Jansen has set up a new world record for the 400 metres let alone trying the world record set by Johnson的中文意思是什么? ”She hopes to set up a new world record.“中“to set up a new w 1.Mr.Jackson has set _____a new world record. 英语翻译Since then ,he set the world record for the most hit son 连词成句that,it,think,we,is,difficult,set,to,world,a,record Sir Malcolm's son,Donald,also set up a world record.句子成分 连词成句：1.record,i,new,want,world,to,a,set. 2.supper,ilate,will Debbie hopes to ( )a new world record.这里不可以填set up.应该是make &