单词	dummy variable
释义	dummy variable noun : an arbitrary mathematical symbol or variable that can be replaced by another without affecting the value of the expression in which it occurs Word History First Known Use 1957, in the meaning defined above
随便看	psychicest Psychichthys psychicism psychicist psychicists psychics psychid Psychidae psyching psyching (out) psyching (up) psyching out psyching up psychism psychistic psychists psycho psycho- psycho-ethical psychoacoustic psychoacoustics psychoactive psychoactiver psychoactivest psychoanalyse

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。