科学和技术已经开始渗透了我们生活的各个领域；结果，社会正以空前的速度改变着。 Science and technology have come to pervade every aspect of our lives and, as a result, society is changing at a speed which is quite unprecedented.
敌人的狂轰滥炸在这个国家造成了空前的死亡和破坏。 The enemy mad bombardment caused unprecedented death and destruction in the country.
我们现在正经历规模空前的失业现象。 We are seeing unemployment on an unprecedented scale.
开支剧增，达到空前的水平。 Expenditure raced up to an unprecedented level.
