单词	sign of aggregation
释义	sign of aggregation noun phrase : any of various conventional devices (such as braces, brackets, parentheses, or vinculums) used in mathematics to indicate that two or more terms are to be treated as one quantity Word History First Known Use circa 1942, in the meaning defined above
随便看	bounced bounced (back) bounced around bounced back bounced into bounced off bouncer bouncers bounces bounces (back) bounces around bounces back bounces into bounces off bouncier bounciest bouncilier bounciliest bouncily bounciness bouncinesses bouncing bouncing (back) bouncing around bouncing back

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。