基本解释n.跳动；跳着走vi.跳动；跳着走路；晃晃荡荡地走路同根派生 英汉例句Anti-radial Tittup Measures in Mechanical Seal Used in Reaction Kettle 釜用机械密封使用中轴颈防径跳措施radial tittup 径向跳动