boundary
boundary
英[ˈbaʊndri]美[ˈbaʊndri]
n.边界，分界线；
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.坐井观天出自：英语谚语
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.*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.
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*分子进行跨国贩*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。使球越过边界线的击球（得加分）
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；
