unprecedented

英 [ʌnˈpresɪdentɪd]

美 [ʌnˈpresɪdentɪd]

adj.  前所未有的; 空前的; 没有先例的

CET6TOEFLGRETEM8经济

Collins.2 / BNC.6047 / COCA.4401

牛津词典

adj.

• 前所未有的；空前的；没有先例的
  that has never happened, been done or been known before
  1. The situation is unprecedented in modern times.
     这种情况在现代还没有出现过。

柯林斯词典

• ADJ 前所未有的；空前的；没有先例的
  If something isunprecedented, it has never happened before.
  1. Such a move is rare, but not unprecedented...
     这种做法很罕见，但也不是没有先例的。
  2. In 1987 the Socialists took the unprecedented step of appointing a civilian to command the force.
     1987年，社会党人史无前例地任命了一位非军队出身的人来指挥军队。
• ADJ-GRADED （质量、数量、规模）很高的，很大的
  If you describe something asunprecedented, you are emphasizing that it is very great in quality, amount, or scale.
  1. Each home boasts an unprecedented level of quality throughout...
     每家的质量都堪称一流。
  2. The scheme has been hailed as an unprecedented success.
     这个计划广受好评，被认为是一个巨大的成功。

英英释义

adj

• having no precedent
  1. an unprecedented expansion in population and industry

双语例句

• This is particularly true when dealing with novel and unprecedented systems.
  当处理新颖和空前的系统是更是如此。
• On the one hand, this gives us an unprecedented opportunity.
  一方面，这给了我们一次前所未有的机会。
• Such a move is rare, but not unprecedented
  这种做法很罕见，但也不是没有先例的。
• And they have engaged in unprecedented international co-operation.
  他们还进行了前所未有的国际合作。
• This, in turn, will exert unprecedented pressure on the solidarity of Canadian and American societies.
  这将对加拿大和美国社会的团结构成前所未有的压力。
• Asia is experiencing unprecedented growth and development.
  亚洲正经历着前所未有的经济增长和社会发展。
• The China's education and training industry has undergone an unprecedented development with its industrialization and international development process.
  中国教育的产业化、国际化发展，使教育培训业得到了空前的发展。
• Such policies would require unprecedented cooperation between nations
  这样的政策要求国家间进行空前的合作。
• This trend is creating enormous challenges for local and national governments, but also unprecedented opportunities for societal progress.
  这种趋势正给地方和各国政府带来巨大挑战，但也为社会进步创造了空前的机遇。
• The international financial crisis has inflicted on China unprecedented difficulties and challenges.
  这场国际金融危机给中国带来了前所未有的困难和挑战。