Middle English swaveren, perhaps of Scandinavian origin; akin to Norwegian dail, sveiva to swing, Old Norse sveifla to swing, spin, svīfa to rove, ramble, drift
英语词典包含469781条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。