jump 是普通用词，指用双脚向上跳，向下跳，或在同一平面上跳到有一定距离的某一点上，或跳过。
leap 常可与jump换用，但侧重身体猛力向上升起并朝前急冲的动作，有时含突然的意味。
spring 更强调有力和弹跳的运动。
hop 指单脚短跳或双足猛力的动作。也指小鸟、青蛙等的跳。
bound 多指向前向上或向下跳跃、奔跳。
skip 指两脚交替轻地跳或跨的动作。
参考例句
1. Where is ship bound for? 这船是开往哪儿去的？
2. You are not legally bound to answer these questions. 在法律上，妳没有义务回答这些问题。
3. Are they bound to the island with the same unknown force as I? 他们是否是一定的到海岛用未知的力量和I一样？
英英解释
n.
1. a line determining the limits of an area
2. the line or plane indicating the limit or extent of something
3. the greatest possible degree of something
4. a light, self-propelled movement upwards or forwards v.
1. move forward by leaps and bounds
2. form the boundary of; be contiguous to
3. place limits on (extent or access)
4. spring back; spring away from an impact adj.
1. held with another element, substance or material in chemical or physical union
2. confined by bonds
3. secured with a cover or binding; often used as a combining form
4. (usually followed by `to') governed by fate
5. covered or wrapped with a bandage
6. headed or intending to head in a certain direction; often used as a combining form as in `college-bo
7. bound by an oath
8. bound by contract
9. confined in the bowels
