词根记忆stum(stump树墩) + ble… * → stumbling
谐音记忆使颠簸… * → stumbling
联想记忆st站立 + umble(unabl… * → stumbling
对比记忆bumble v. 笨手笨脚, 跌跌… * → stumbling
谐音记忆“死… * → stumbling
谐音记忆st… * → stumbling
联想记忆s使+t他+umble(unable… * → stumbling
联想记忆s是 + tu她 + m妈 + b… * → stumbling
对比记忆stumble vi.绊(倒);跌跌… * → stumbling
串记记忆这个树桩(stump)难住(stum… * → stumbling