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

• 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》）
• 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。
• 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。
• Nepal has frontiers with both India and china.
  尼泊尔的边界与印度、中国相接。
• 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。
• 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。
• 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
• 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。
• But we will push the frontiers.
  但我们将继续推进它的研究。
• 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。