leap是什么意思

int day,month,year,sum,leap; 为什么定义这即个都是什么意思?please input int leap=year%4==0&&year%100!=0||year%400==0;是什么意思 look before you leap. "Look before you leap! leap of faith 歌词 think carefully before you leap leap和jump的区别? 造句leap..(一般将来时,宾语从句) 求电影《Leap Year》音乐 Jump 与leap什么区别? Look before you leap中文 Look twice before you leap