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

• 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。
• 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。
• But I had given no pledges about frontiers.
  但是我对边界问题，没有许下任何诺言。
• 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。
• 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。
• 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
• 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。
• 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。
• 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。
• 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。