| 单词 | unprecedented |
| 释义 | unprecedented —unprecedentedly, adv. —unprecedentedness, n. /un pres"i den'tid/, adj. without previous instance; never before known or experienced; unexampled or unparalleled: an unprecedented event. [1615-25; UN-1 + PRECEDENT + -ED2] Syn. unique, extraordinary, exceptional, novel. |
| 随便看 |
英语词典包含168451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。