单词	span of attention
释义	span of attention 1 : span of apprehension 2 : the duration of a subject's attention to a given task or set of stimuli Word History Etymology span entry 2
随便看	half note half nut half off half past half plane half price half principal half ray half rest half rhyme half ring half run half sheet half shell half shirt half sister half size half sleeve half snipe half someone's age half sovereign half step half stock half story half stuff

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。