大家都搜：
adj.前所未有的，史无前例的；（大小、数量、程度等）前所未知的，空前的
1、He said France always respected China and was glad to see the unprecedented achievements that China had made in development.───法国始终尊重中国，对中国发展取得史无前例的成就感到由衷高兴。
2、It's been a catastrophe of unprecedented proportions but senior management can only put on a brave face.───这是一场空前的灾难，可高层只能摆出勇敢的面孔。
3、I'm not an economist or a historian, but it seems to me that this recession will be something unprecedented.───我不是经济学家，也不是历史学家，但在我看来，这次经济危机将是史无前例的。
4、Daniel Erickson, the lead writer of the "Star Wars" game, said the amount of storytelling content was unprecedented.───《星球大战》游戏的主要作家DanielErickson说，故事情节的讲述量是前所未有的。
5、The mission has been hailed as an unprecedented success.───这次使命已被宣布为一次空前的成功。
6、Undoubtedly he was one of the key components of Brazil winning their unprecedented fifth World Cup title.───无庸质疑，他是巴西史无前例地夺得第五次世界杯冠军的关键因素之一。
7、We are now witnessing an unprecedented increase in violent crime.───我们现在看到暴力犯罪空前增多。
8、The FBI said the action was an "unprecedented co-operative effort" that had seized 290, 000 counterfeit software CDs.───美国联邦调查局表示，此次行动是一次“空前的合作行动”，共缴获了29万张盗版软件光碟。
9、Such policies would require unprecedented cooperation between nations.───这样的一些政策会要求国与国之间前所未有的合作。
1、In an unprecedented action, the army, on its own initiative, arrested seventeen civilians.