单词	ultrafast
释义	ultrafast adjective ul·​tra·​fast ˌəl-trə-ˈfast  : extremely or extraordinarily fast ultrafast trains ultrafast speeds an ultrafast wireless connection Word History First Known Use 1883, in the meaning defined above ultrafast adjective as in high-speed Synonyms & Similar Words Relevance high-speed rush ultrarapid accelerated rapid energetic vigorous breathtaking strenuous speedy swift expeditious lightning strong quickened galloping rushed hastened fleet fast prompt breakneck splitting hurried flying zippy ready blistering hasty whirlwind rapid-fire brisk breathless quick rattling snappy fleet-footed dizzy hot nippy Antonyms & Near Antonyms slow sluggish crawling unhurried dragging pokey languid deliberate laggard lingering poky leisurely plodding dilatory dallying slowish measured dillydallying late tardy dawdling poking ultraslow See More
随便看	occupation occupation bridge occupation currency Occupation Day occupation stamp occupational occupational hazard occupational therapist occupational therapy occupationally occupations occupative occupiable occupied occupier occupiers occupies occupy occupying occur occur (to) occur to occurred occurred (to) occurred to

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。