单词	unprecedented
释义	un·prec·e·dent·ed (ŭn-prĕsĭ-dĕn′tĭd) adj. Having no previous example: unprecedented economic growth. un·prece·dent′ed·ly adv.
随便看	Indo-European root: sker- Indo-European root: (s)keu- Indo-European root: skeud- Indo-European root: skrībh- Indo-European root: sleiə- Indo-European root: sleubh- Indo-European root: slēb- Indo-European root: slēg- Indo-European root: smei- Indo-European root: (s)mer- Indo-European root: (s)mer- Indo-European root: sneigwh- Indo-European root: (s)neəu- Indo-European root: snā- Indo-European root: (s)nāu- Indo-European root: (s)nē- Indo-European root: so- Indo-European root: sol- Indo-European root: spek- Indo-European root: (s)pen- Indo-European root: spend- Indo-European root: sper- Indo-European root: sperə- Indo-European root: spē- Indo-European root: sreu-

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。