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

• N-COUNT 边界;边境
  Afrontieris 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。

in AM, usually use 美国英语通常用border


• 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 usefrontierto 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
• N-COUNT (尤指知识的)前沿，尖端，新领域
  Thefrontiersof 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

双语例句

• 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。
• 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。
• But we will push the frontiers.
  但我们将继续推进它的研究。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• There are no new frontiers within our borders.
  在我们的国界内已经没有前线了。