unprecedented基本解释
adj,空前的；无前例的,同近
unprecedented相关例句和用法He took the unprecedented step of stating that the rumours were false..他史无前例地声明那些谣言实属子虚乌有。
unprecedented英英释义空前的；无前例的英释中释adjnever having happened before, or never having happened so much
unprecedented短语unprecedented scale,史无前例的规模.短语
