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单词	rate of change
释义	rate of change noun phrase : a value that results from dividing the change in a function of a variable by the change in the variable velocity is the rate of change in distance with respect to time Word History First Known Use 1876, in the meaning defined above
随便看	precleaning precleans preclear preclearance preclearances precleared preclearing preclears preclimax preclinical precludable preclude precluded precludes precluding preclusion preclusions preclusive preclusively precoagulation precoces precocial precocious precociously precociousness

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。