例句
同义词
同义词解析
  • 以下这些名词均含有"边界,边境" 的意思
    border多指国与国之间或两地区的分界处,即分界线附近的边缘部分。
    bounds常与boundary换用,指土地边界,但意思不如boundary明确,主要用于抽象事物和文学作品中。
    boundary侧重地图上正式标定的、双方遵守的边界,也可指较小行政单位间的界线。
    frontier指两国接壤的前沿地区,属于各国的国境和边疆,多指设防的边界。
    limit含义广泛,常用作复数。指任何界限、范围、分界线外面的部分,可指有形或无形的东西。
英语六级真题
  • Each burning season in the Amazon, fires deliberately set by frontier settlers and developers hurl up almost half a billion metric tons of carbon a year, placing Brazil among the top five contributors to greenhouse gases in the world.
    出自-2013年6月阅读原文
  • As Santiago de la Mora, head of Google Books for Europe, puts it: "By making it possible to search the millions of books that exist today, we hope to expand the frontiers of human knowledge.
    出自-2011年12月阅读原文
  • "A comparison point is in the 1990s battles over encryption," said Kurt Opsahl, general counsel of the Electronic Frontier Foundation, a privacy watchdog group.
    2017年12月六级真题(第三套)阅读 Section B
柯林斯高阶英汉双解学习词典释义
英汉词典释义
英英词典释义
  • Noun
    1. a wilderness at the edge of a settled area of a country;
    "the individualism of the frontier in Andrew Jackson's day"
    2. an international boundary or the area (often fortified) immediately inside the boundary
    3. an undeveloped field of study; a topic inviting research and development;
    "he worked at the frontier of brain science"
行业词典
  • 法律: 边界;国境;边境;