jumpn.跳跃;跳动;上涨v.跳越;暴涨
jumpshot跳投;跳起投篮
jumpsuitn.伞兵跳伞服;连身衣裤
jump saw升降圆锯机锯
jump bid跳叫
jump out跳出来
Jumplift跃层电梯
jumpableadj.可跳跃的
jump set跳指标
jump pit沙坑
jump bit钎子,冲击锤