unprecedented
adj. 空前的；前所未有的
副词：unprecedentedly
近义词：extraordinary，exceptional，unduplicated，unique，amazing，signal，original，unparalleled，record，first-time，unmatched，precedented，
英英释义
Adjective
- having no precedent; novel;
"an unprecedented expansion in population and industry"
例句
用作形容词(adj.)
- We are seeing unemployment on an unprecedented scale.我们现在正经历规模空前的失业现象。
- His statement made an unprecedented splash.他的声明引起了空前的轰动。
- The air crash caused an unprecedented number of deaths.这次空难的死亡人数是空前的。
- 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。
- Our school faced unprecedented difficulties.我们学校碰到了前所未有的困难。