| 单词 | boundary |
| 释义 | boundary 1 | boundary 2 | boundary 3 | boundary 4 | [TOP]boundarybound·ary / ˈbaundri / noun (pl. 1. a real or imagined line that marks the limits or edges of sth and separates it from other things or places; a dividing line 边界；界限；分界线: national boundaries 国界 (BrE) county boundaries 郡界 boundary changes / disputes 边界变化/争端 The fence marks the boundary between my property and hers. 那道篱笆是我和她的地之间的地界。 Scientists continue to push back the boundaries of human knowledge. 科学家不断扩大人类知识的范围。 the boundary between acceptable and unacceptable behaviour 允许的和不允许的行为之间的界限 ⇨ note at border 2. (in cricket 板球) a hit of the ball that crosses the boundary of the playing area and scores extra points 使球越过边界线的击球(得加分) [TOP]boundary bound·a·ry / ˈbaundərɪ ; ˈbaʊndəri / noun (plural boundaries) 1. [C] the real or imaginary line that marks the edge of a state, country etc, or the edge of an area of land that belongs to someone 分界线; 边界 national / state / city etc boundary ( = a boundary between countries, states, cities etc ) 国界/州界/市界等 geographical / natural boundary ( = a river, line of mountains etc that form a boundary ) 地理边界/自然边界 political boundary ( = an official recognized boundary ) 政治边界 mark a boundary 标出界线 cross a boundary 穿越边界 boundary wall / fence 界墙/界篱 boundary line 界线 boundary dispute ( = a disagreement about where a boundary should be ) 边界争端 ▪ [+ between ] The Mississippi River forms a natural boundary between Iowa and Illinois. 密西西比河成了艾奥瓦州和伊利诺伊州的天然边界。 National boundaries are becoming increasingly meaningless in the global economy. 在全球化的经济中，国界已经变得越来越没有意义了。 We would need their agreement to build outside the city boundary . 我们在市界以外的地方建房需要他们批准。 The stream curves round to mark the boundary of his property. 小河打了个弯，构成了他这块地的地界。 Anything that crosses the boundary of a black hole cannot get back. 任何物质只要跨越黑洞的界线就再也无法出来。 We walked through the churchyard towards the boundary wall . 我们穿过教堂墓地，向界墙走去。 The property's boundary line is 25 feet from the back of the house. 这块地的边界线在屋后 25 英尺的地方。 boundary disputes between neighbouring countries 邻国之间的边界争端 2. [C usually plural] the limit of what is acceptable or thought to be possible 限度，界限，极限: ▪ [+ of ] the boundaries of human knowledge 人类知识的极限 within / beyond the boundaries of sth within the boundaries of the law 在法律许可的范围内 push back the boundaries (of sth) ( = to make a new discovery, work of art etc that is very different from what people have known before, and that changes the way they think ) 扩大（某事物的）范围 art that pushes back the boundaries 突破界限的艺术 3. [C] the point at which one feeling, idea, quality etc stops and another starts 〔不同情感、思想、品质等之间的〕分野，分界线: ▪ [+ of / between ] the boundaries between work and play 工作和娱乐之间的界线 the blurring of the boundaries between high and popular culture 高雅文化和通俗文化之间界线的模糊 4. [C] the outer limit of the playing area in CRICKET , or a shot that sends the ball across this limit for extra points 〔板球场的〕边界线; 越过边界线的加分球 [TOP]boundary UK ['baʊn.dər.i/ UK [-dri] US [-dɚ-] noun countable ADVANCED » a real or imagined line that marks the edge or limit of something 分界线；边界 The Ural mountains mark the boundary between Europe and Asia. 乌拉尔山脉是欧洲和亚洲的分界线。 Residents are opposed to the prison being built within the city boundary. 居民们反对把监狱建在市区。 » the limit of a subject or principle 界限 Electronic publishing is blurring the boundaries between dictionaries and encyclopedias. 电子出版使得字典与百科全书的界限变模糊了。 [TOP]boundary ●●○○○ 1.N-COUNT 可数名词 （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. 【搭配模式】：oft N
2.N-COUNT 可数名词 （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. 【搭配模式】：usu pl
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