音标:[.ʌn'presidentid] ; 柯林斯词典等级:2 级;
a. 空前的
[经] 空前的, 无前例的
a. having no precedent; novel

考试类型:[六级/托福/GRE]
词性分布:
形容词100%

unprecedented的用法和样例:

例句

用作形容词(adj.)
  1. We are seeing unemployment on an unprecedented scale.我们现在正经历规模空前的失业现象。
  2. His statement made an unprecedented splash.他的声明引起了空前的轰动。
  3. The air crash caused an unprecedented number of deaths.这次空难的死亡人数是空前的。
  4. Some economists showed their anxiety on unprecedented level of unemployment.一些经济学家对失业率达到前所未有的程度表示忧虑。
  5. Our school faced unprecedented difficulties.我们学校碰到了前所未有的困难。

词汇搭配

  • unprecedented rise空前涨价

经典引文

  • We are entering an age of abundance unprecedented in history.

    出自:A. E. Stevenson
【近义词】
【反义词】

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accelerase
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