unprecedented

听听怎么读

英 [ʌnˈpresɪdentɪd]

美 [ʌnˈprɛsɪˌdɛntɪd]

是什么意思

adj.

前所未有的，无前例的；空前的；无比的；新奇的，崭新的

英英释义

unprecedented[ ,ʌn'presidəntid ]

adj.having no precedent; novel
"an unprecedented expansion in population and industry"

学习怎么用

词组短语

unprecedented scale史无前例的规模

双语例句

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。

权威例句

Unprecedented Arctic ozone loss in 2011.
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Two unprecedented 3-connected three-dimensional networks of copper(I) triazolates: in situ formation of ligands by cycloaddition of ...
Copper(I)-catalyzed synthesis of azoles. DFT study predicts unprecedented reactivity and intermediates.
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