boundary是什么意思？

boundary

英[ˈbaʊndri] 美[ˈbaʊndəri, -dri]

• n. 分界线，范围，（球场）边线；

复数：boundaries;

例句

• The ball ran to the boundary. 球向边线滚去。
• The boundary questions still remain unsettled. 边界问题仍然没有解决。
• The terms of the agreement respect the boundary line between the two countries. 协议的条款涉及两国间的边界线。
• the boundary between sanity and insanity 神志正常与不正常的分界线
• A blind man who leans against a wall imagines that it's the boundary of the world. 坐井观天
• The Arctic Circle is the boundary of this region of darkness. 北极圈就是这一黑暗地带的边界.
• We begin by recapitulating the complete list of equations for a mixed boundary - initial value problem. 开始时,我们重新列出适用于混 合边 值问题的那些方程的完备表.
• The last two integrals correspond to the natural boundary conditions. 最后两个积分对应于自然边界条件.
• In practice, two semisilvered or aluminized glass optical flats from the reflecting boundary surface. 实际上, 两块半镀银的或镀铝的光学平面玻璃构成了反射界面.
• The terminator is the boundary between day and night. 地影界线就是白天和黑夜的边界.

同义词

• n.
  boundary的同义词之：边界;界限
  bound, barrier, division, limit, border,
• boundary的同义词之：其他释义
  border, limit, hedge, end, barrier, division, qualification, outskirts, terminal, suburb, bound, circuit, precinct,

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。

英语四级真题

Learn: Expand your boundaries.
出自-2010年12月阅读原文

英语六级真题

Esperanto is used internationally across language boundaries by at least 1 million people, particularly in specialized fields.
出自-2010年6月听力原文

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  （土地的）分界线，边界
  The boundary of an area of land is an imaginary line that separates it from other areas.
  例句
  ...the Bow Brook which forms the western boundary of the wood... 构成了这片树林西部边界的鲍溪 Drug traffickers operate across national boundaries. 贩毒分子进行跨国贩毒活动。
• N-COUNT
  （学科或活动的）界限，边界
  The boundaries of something such as a subject or activity are the limits that people think that it has.
  例句
  The boundaries between history and storytelling are always being blurred and muddled. 历史和轶闻的分界向来是模糊而混乱的。 ...extending the boundaries of press freedom. 扩大新闻自由的界限

英汉词典释义

• n.
  分界线
  The boundaries of that country were changed by a treaty. 那个国家的边界根据条约有所更动。
  界线, 范围
  The ball was caught by a fielder standing just inside the boundary. 那个球被正站在边界内的守场员接住了。

英英词典释义

• Noun
  1. the line or plane indicating the limit or extent of something
  2. a line determining the limits of an area
  3. the greatest possible degree of something;
  "what he did was beyond the bounds of acceptable behavior""to the limit of his ability"

行业词典

• 体育： 球场界限；
  数学： 边缘；
  物理学： 边值问题；boundary-value problem；边界［衍射］波；［diffraction］ wave；