boundary什么意思 boundary音标、翻译、用法
boundary音标
英 [ˈbaʊndri]
美 [ˈbaʊndəri, -dri]
boundary翻译
n.
分界线；范围；（球场）边线；
变形
复数：boundaries
双语释义
n.(名词)[C]分界线the dividing line[C]界限,范围the outer limit of anything
英英释义
boundary[ 'baundəri ]
n.the line or plane indicating the limit or extent of something
同义词：boundbounds
a line determining the limits of an area
同义词：edgebound
the greatest possible degree of something
同义词：limitbound
boundary用法
词汇搭配
用作名词 (n.)动词+～advance the -ries of knowledge扩大知识面break down the boundary between trades打破行业界线define -ries确定边界exceed the -ries越出界限fix a boundary确定边界form the boundary构成边界线mark the boundary标明边界线redraw the boundary重新划定边界线set a boundary确定边界形容词+～common boundary共同的边界线international boundary国界线natural boundary天然的边界线new boundary新界线overlapping -ries重叠的国境线～+名词boundary dispute边界纠纷boundary light机场界线灯boundary stone界石,界碑介词+～beyond the boundary of超越…的范围within the boundary of在…范围内～+介词boundary between…之间的分界线boundary of sb's property某人地产的界线
词组短语
boundary condition边界条件，界面条件
boundary value边值；边界值
boundary layer边界层
boundary element method边界元法；边界要素法
grain boundary[冶]晶界
boundary line边界线；疆界线
moving boundary移动边界；移动界面
turbulent boundary layer湍流边界层；紊两面层
boundary surface界面；边界面
outer boundary外边界
boundary point边界点
natural boundary自然边界
plate boundary板块边缘，板块边界
crystal boundary晶界；晶体间界
lower boundary下边界
boundary lubrication边界润滑
phase boundary相界面；相界线
boundary layer flow边界层怜；边界层流动
upper boundary上边界
boundary layer separation边界层分离（现象）
更多收起词组短语
同近义词辨析
limitation, boundary
limitation局限，限制
boundary边界，分界线
limit, frontier, bounds, border, boundary
这组词都有“边界，边境”的意思，其区别是：
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。
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。
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。
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。
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, verge, border, boundary, rim
这组词都有“边界”的意思，其区别是：
frontiern.边界，边境，边疆，指靠近边界(boundary)的区域；也可引申为"未开发的领域"，"(学术的)前沿"等。
The American West was still a frontier a century ago.一个世纪以前美国西部还是一片边疆。
She is a biochemist who works on the frontiers of biology.她是从事生物学前沿研究的生化学家。
verge n. (道路、花坛等长着草的)边缘，引申为"某事即将发生之际"。
on the verge of war战争爆发之际
bordern.较宽的边缘，边界，多指两国或两地之间的分界处附近的边缘地区、边界地带；也可以指物体的边缘等。
We crossed the Mexican bordersintosthe USA.我们穿过墨西哥边界进入美国境内。
boundaryn.边界；界线。多指作为界线的标识物等。
The fence marks the boundary between my land and hers.这道栅栏是我的地和她的地的分界线。
rimn.边，边缘，尤指圆形或近似圆形的物体的边缘。
frontier, border, boundary
frontier一国单方面提及的分界，需设防，检查护照、签证
border指“边境地带”范围较广的地区
boundary山脉、河流等形成的天然“边界线”，多指在地图上的领土分界线
双语例句
用作名词(n.)We crossed the state boundary at midnight.
我们在午夜穿过了州界。They marked the boundaries of the football fields.
他们画出了足球场地的边界。Scientists continue to push back the boundaries of knowledge.
科学家不断地把知识领域的边缘向外扩展。The lane is the boundary of our land from theirs.
那条小路就是我们这片地与他们那片地的分界线。The fence marks the boundary between my land and hers.
这道栅栏是我的地和她的地的分界线。
权威例句
Numerical solution of initial boundary value problems involving maxwell's equations in isotropic media
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Estimates near the boundary for solutions of elliptic partial differential equations satisfying general boundary conditions II
Estimates near the boundary for solutions of elliptic partial differential equations satisfying general boundary conditions. I