jump up跳起； 跳上jumpn.跳跃；跳动；上涨v.跳越；暴涨jump a bus.跳上一辆公共汽车jump scanning跳跃扫描Jump - bits跳屑jumping jacks跳起展体联系, 杰克跳jump togethervt.一致(符合)jump movement跳跃动作jump transfer跳跃转移jumping board起跳板jump airspeed最大安全跳伞空速jump with joy高兴地跳起来