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TOEFL IELTS BNC: 2050 COCA: 2776
boundary
noun [C] /ˈbaʊnd(ə)ri/
singularboundary
pluralboundaries
  1. 1
    something such as a line on a map that marks where one area of land ends and another begins 分界线;边界

    a proposal to redraw the city boundary 重画城市边界的建议

    Akbar extended the boundaries of his empire in the north and to the south. 阿克巴把他在北部的帝国的边界向南扩大。

    boundary with :

    Estonians and Latvians began to query the status of their boundaries with Russia. 爱沙尼亚人和拉脱维亚人开始对他们与俄罗斯的边界状况表示质疑。

     Synonyms and related words
    Borders between countries and regions: border, line, frontier...
     Synonyms and related words
    1. a.
      a physical object such as a wall or fence that marks the limits of an area 界线

      a boundary fence/wall 界线栏/墙

      boundary between :

      The lane once formed the boundary between the two villages. 这条小巷曾经是这两个村庄的界线。

       Synonyms and related words
      Fences and boundaries: abuttals, balustrade, barbed wire...
    See also border
  2. 2
    [usually plural] the limits of an activity or experience 界限;范围

    a community in which class boundaries are very clearly drawn 等级界限分明的社区

    push back/extend the boundaries of something :

    new research that pushes back the boundaries of genetic science 扩大遗传学范围的新研究

    cut across boundaries :

    The party's support cuts across religious boundaries (=is not influenced by differences among religions). 政党的支持超越了宗教界限。

     Synonyms and related words
    Limits, controls and ranges: red line, limit, constraint...
    1. a.
      an imaginary point separating two different qualities, ideas etc (不同的特性、想法等之间的)界限
      boundary between :

      The boundary between fact and fiction in her writing is often blurred. 在她的作品中事实与虚构之间的界限经常很模糊。

       Synonyms and related words
      Difference and differences: difference, contrast, distinction...
  3. 3
    the outer edge of the playing area in cricket (板球球场的)边界线
     Synonyms and related words
TOEFL IELTS BNC: 2050 COCA: 2776
boundary

noun¹

1line that marks the limits of a place邊界ADJECTIVE | VERB + BOUNDARY | BOUNDARY + NOUN | PREPOSITION ADJECTIVEcommon共有邊界northern, southern, etc.北部、南部等邊界national, state國界;州界territorial領土邊界district, parish (especially BrE) 行政區界;教區界geographic, geographical地理分界VERB + BOUNDARYhave有界限form, mark形成界限;標記邊界The river forms the boundary.這條河形成了邊界。share共有邊界draw, establish, fix, set劃定邊界;確立邊界The boundary was fixed just south of the farm.邊界就定在農場南面。redraw重劃邊界BOUNDARY + NOUNfence, hedge, line, wall邊界圍欄;邊界樹籬;邊界線;界牆dispute邊境爭端a boundary dispute between Brazil and Paraguay巴西與巴拉圭的邊界之爭PREPOSITIONacross the boundary, over the boundary穿過邊界They drove across the boundary.他們開車穿過邊界。along the boundary沿着邊界We continued along the southern boundary of the county.我們繼續沿着該郡南部邊境前進。at the boundary, on the boundary在邊界We had to stop at the boundary.我們不得不在邊界停下。on the boundary of the two countries在兩國的國界處beyond the boundary在邊界線以外She had never strayed beyond the city boundaries.她從未出過這個城市。within the boundaries在邊界線以內within the boundaries of the old city walls在老城牆的範圍以內boundary between⋯之間的邊界the boundary between Sussex and Surrey薩塞克斯郡和薩里郡之間的邊界boundary with與⋯的邊界The state has a boundary with Ontario.這個州和安大略省相鄰。
boundary

noun²

2limit界限ADJECTIVE | VERB + BOUNDARY | PREPOSITION | PHRASES ADJECTIVEtraditional傳統界限VERB + BOUNDARYcross超越界限This job crosses the traditional boundary between social work and health care.這項工作跨越了社會工作與醫療保健之間的傳統界限。extend, push, push back擴展範圍research which extends the boundaries of human knowledge拓展了人類知識範圍的研究overstep超越界限establish確定界限define規定界限blur使界限模糊The Internet has blurred the boundary between news and entertainment.因特網模糊了新聞與娛樂的界限。PREPOSITIONacross boundaries越過界限His policies appeal across party political boundaries.他的政策感召力超越了黨派政治界限。beyond the boundaries超出界限This goes beyond the boundaries of what is accepted.這超出了能接受的界限。on the boundary在邊緣on the boundary of physics and chemistry在物理與化學的學科邊緣within the boundaries在⋯範圍內the importance of keeping within the boundaries of the law遵守法律底線的重要性boundary between⋯之間的分界線the boundary between sanity and insanity神志正常與不正常的分界線PHRASESthe boundaries of taste品位的界限In her performance she had clearly overstepped the boundaries of good taste.很顯然她的表演品位流於庸俗。sb/sth knows no boundaries⋯無止境His passion for the arts knows no boundaries.他對藝術無限熱愛。
TOEFL IELTS BNC: 2050 COCA: 2776
boundary noun
border (a boundary wall) limit2 (the boundaries of knowledge)

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