jump in插话； (踊跃或热切地)加入jumpn.跳跃；跳动；上涨v.跳越；暴涨jump in profits利润大增jump scavenging跳跃搜寻jump on the boy呵斥小孩jump modulation突变信号调制jump subroutine微转移子程序Jumping Society急变社会jumping library跳查文库jump to the eye突出； 显而易见jump prediction转移预测jump many times(产量) 翻几番