两个英语词的区别and leap 的区别,

jump 是个通用词,不问是从高处跳到低处,或从一点跳到另一点,都可使用
I can jump off the box,but I can't jump off that wall.
我能从这只箱子上跳下去,但是我不能从那个墙上跳下去.
After jumping about on the carpet and twisting the human frame into uncomfotable positions,I sat down at the breakfast table in an exhausted condition.
在地毯上乱跳一阵,并把身躯扭曲到令人不舒服的各种姿势以后,我在精疲力尽的情况下坐在早餐桌旁.
He is practising the high jump.
他在练习跳高.
leap 则比较正式,常用于文学或比较高雅的文字中.
They all leapt out of their sleeping-bags and hurried outside.
他们都从睡袋里跳了出来并急忙跑到外面.
Look before you leap.
三思而后行.
注：jump和leap都可以用作名词.
It is a big leap in the process of cognition.
这是认识过程的一次大飞跃.