for example the height of mount fuji in japan--12389 feet might be remembered using the following asociations:12 is the number of months in the year and 389 is the number of days in a year added to the number of months twice
1.为什么要用might be rememered?
2.using the following associations现在分词后面为什么要跟名词啊
3.added to the number of mouths twice是the number of days的定语?为什么