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单词	back-of-the-envelope
释义	back-of-the-envelope adjective : done quickly to provide a rough estimate : not exact did a back-of-the-envelope calculation His method is, in effect, a back-of-the-envelope time-and-motion study. Ian Stewart Word History First Known Use 1968, in the meaning defined above
随便看	synesthetes synesthetic synezeses synezesis synezesises synezesisses synfuel synfuels syngameon syngamiases syngamiasis syngamic syngamid syngamies syngamoses syngamosis syngamy syngas syngases syngasses Synge syngeneic syngeneses syngenesious syngenesis

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。