adj.空前的；前所未有的
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。
Our school faced unprecedented difficulties. 我们学校碰到了前所未有的困难。
adv.空前地
