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。
• 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。
• 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。
• Their research has pushed forward the frontiers of knowledge.
  他们的研究又把知识的前沿推进了。
• You are exploring the frontiers in science.
  你在探究科学的新领域。
• 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。
• 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。
• Nepal has frontiers with both India and china.
  尼泊尔的边界与印度、中国相接。
• But I had given no pledges about frontiers.
  但是我对边界问题，没有许下任何诺言。
• 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。