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单词	sharpen
释义	sharp·en (shärpən) tr. & intr.v. sharp·ened, sharp·en·ing, sharp·ens To make or become sharp or sharper. sharpen·er n.
随便看	recuperate recuperation recuperative recuperatory recur recurrence recurrent recurrent fever recurrently recurring decimal recursion recursive recurvate recurvation recurvature recurve recurve bow recusal recusancy recusant recuse recyclable recycle recycling "Red."

英语词典包含135693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。