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boundary

听听怎么读
英 [ˈbaʊndri]
美 [ˈbaʊndəri, -dri]
是什么意思
  • n.

    分界线;范围;(球场)边线;

  • 变形

    复数:boundaries

    双语释义

    n.(名词)
    1. [C]分界线 the dividing line
    2. [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

    学习怎么用

    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.)
    1. We crossed the state boundary at midnight.
      我们在午夜穿过了州界。
    2. They marked the boundaries of the football fields.
      他们画出了足球场地的边界。
    3. 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。
    4. 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。
    5. 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。

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