frontiers

英 [ˈfrʌntɪəz] 美 [frənˈtɪrz]

n.  国界; 边界; 边境; (尤指19世纪美国西部的)开发地区边缘地带，边远地区; (学科或活动的)尖端，边缘
frontier的复数

Collins.2

柯林斯词典

  1. N-COUNT 边界;边境
    A frontier is a border between two countries.
    1. It wasn't difficult then to cross the frontier.
      那时穿越边境并不困难。

    2. in AM, usually use 美国英语通常用border

  2. N-COUNT 西部边疆,边远地区(指 20 世纪前美国西部欧洲移民尚未定居的部分)
    When you are talking about the western part of America before the twentieth century, you use frontier to refer to the area beyond the part settled by Europeans.
    1. ...a far-flung outpost on the frontier.
      远驻西部边疆的前哨
  3. N-COUNT (尤指知识的)前沿，尖端，新领域
    The frontiers of something, especially knowledge, are the limits to which it extends.
    1. ...pushing back the frontiers of science.
      推进科学前沿
    2. ...technological frontiers.
      技术尖端
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双语例句

  1. Researchers are pushing back the frontiers and opening doors to reveal why things happen and how things work.
    研究者们拓展了其研究领域，介绍并揭示了事物发生的原因和机理。
  2. Naked aggression and an attempt to change frontiers by force could not go unchallenged.
    公然的侵略和企图用武力改变边界的行径是不能置之不理的。
  3. With open frontiers and lax visa controls, criminals could cross into the country without restraint.
    由于边境开放和签证管理松懈，罪犯可以毫无限制地进入这个国家。
  4. Community leaders want to strengthen controls at external frontiers
    社区领导想要加强对小区外围的管理。
  5. A Thousand Leagues she tramped on the errands of war,| frontiers and hills she crossed like a bird in flight.
    万里赴戎机，关山度若飞。（《木兰诗》）
  6. They are highly interested in the frontiers of science.
    他们对于科学的新领域有浓厚的兴趣。
  7. This advanced yet pragmatic approach has opened up new frontiers in innovation and economies of scale, impacting the fundamentals of how teams deliver products.
    这种高级而且实用的方法，在创新和规模经济方面开辟了一条新的道路，影响到了团队怎样交付产品的基础。
  8. For11 years, I was the host of the public television series Scientific American Frontiers.
    11年来，我一直是大众电视系列片‘美国科学前沿’的主持人。
  9. But we will push the frontiers.
    但我们将继续推进它的研究。
  10. On the frontiers they met fierce resistance and defeat that spelled eventual disaster.
    在边界地区他受到了猛烈的抵抗，失败了，这一失败引起了灾难性后果。
  11. Cold seep and cold seep carbonates are the frontiers in the modern science.
    冷泉及冷泉碳酸盐岩是当今科学界研究的前沿之一。
  12. You are exploring the frontiers in science.
    你在探究科学的新领域。
  13. Nepal has frontiers with both India and china.
    尼泊尔的边界与印度、中国相接。
  14. It is through education that we expand the frontiers of knowledge.
    通过教育，我们扩大了知识的阵地。
  15. In the 20th century political frontiers became a central influence on economic life.
    20世纪，政治边界对经济生活产生了重要影响。
  16. Their research has pushed forward the frontiers of knowledge.
    他们的研究又把知识的前沿推进了。
  17. There is no way to maintain the frontiers of freedom without cost and commitment and risk.
    没有代价、承诺和风险，就不可能维持自由的边界。
  18. Young people in China and throughout the world will lead us to frontiers that we cannot imagine today.
    中国乃至全世界的年轻人将带领我们走向我们今天无法想像的科技前沿。
  19. From this vantage point, the region expanded the health agenda to cover new frontiers.
    欧洲区域再接再厉，扩大了卫生议程，开拓了新的疆域。
  20. Their influence radiated far beyond their walls, and even beyond the frontiers of their territories.
    它们的影响大大地超越了城墙范围，甚至超越了国界。
  21. There are no new frontiers within our borders.
    在我们的国界内已经没有前线了。
  22. Research at the frontiers of life science cannot be done without the use of these techniques.
    没有这些技术，生命科学的尖端研究便无法进行。
  23. Already China is embroiled in skirmishes and politicking on new frontiers.
    中国已经在一些新领域卷入了小规模的冲突和政治活动。
  24. They performed meritorious deeds in the fight to defend the frontiers of the motherland.
    在保卫祖国边疆的战斗中他们立了功。
  25. America will lead the world toward shared peace and prosperity, and the far frontiers of science and technology.
    美国要带领世界缔造共同的和平和繁荣，攀登科技的高峰。
  26. Conclusion Basis of faunal distribution and ecological studies of mosquitoes in frontiers of Russia and Northeast China were provided.
    结论为东北中俄边境地区蚊虫的区系和生态研究提供了依据。
  27. We fly through the night crossing frontiers and lakes, mountains and valleys.
    我们穿越黑夜，飞过国界和湖泊，山脉与村庄。
  28. But when the federal government builds walls around industries, it also blocks the exploration of new frontiers.
    但是，当美国联邦政府在美国各行各业周围建立起围墙的时候，它也挡住了向新疆域的探索。
  29. But I had given no pledges about frontiers.
    但是我对边界问题，没有许下任何诺言。
  30. The Analyses on IETF Research Frontiers and Related Suggestions to Our Country
    IETF研究前沿与发展动态分析及对我国的启示和建议
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