boundary
英 [ˈbaʊndri]
美 [ˈbaʊndri]
n. 边界; 界限; 分界线; 使球越过边界线的击球(得加分)
复数：boundaries
高考CET4CET6考研TOEFLIELTSTEM4TEM8计算机
Collins.2 / BNC.2050 / COCA.2776
同义词辨析
borderborderlineboundaryfrontier【导航词义：边界】
bordern. 边界，边境
〔辨析〕
多指靠近两国或两地区分界线的区域。
〔例证〕
the German-Polish border
德国与波兰边境
Two years later, he was sent to the border between China and Myanmar.
两年以后，他被派到了中缅边界。
德国与波兰边境
Two years later, he was sent to the border between China and Myanmar.
两年以后，他被派到了中缅边界。
borderlinen. 边境线，分界线
〔辨析〕
指划定国与国之间边界的标志线。
〔例证〕
the borderline between China and India
中印之间的边界线
中印之间的边界线
boundaryn. 分界线，边界
〔辨析〕
侧重指某区域最外的界线，常和领土有关，也指地图上正式标定的、双方认可的边界或较小行政单位间的界线。
〔例证〕
national/state/city boundary
国界/州界/市界
They marked the boundaries of the basketball court.
他们标出了篮球场的边界。
The river forms the boundary between my land and his.
这条河构成了我这块地和他那块地之间的分界线。
国界/州界/市界
They marked the boundaries of the basketball court.
他们标出了篮球场的边界。
The river forms the boundary between my land and his.
这条河构成了我这块地和他那块地之间的分界线。
frontiern. 〈尤英〉边界，边境
〔辨析〕
指两国接壤的前沿地区，多有军队驻防。
〔例证〕
China has a frontier with Vietnam.
中国的边界和越南相接。
Soldiers guard the frontier against invasion.
战士们守卫边疆，防止外敌入侵。
中国的边界和越南相接。
Soldiers guard the frontier against invasion.
战士们守卫边疆，防止外敌入侵。
牛津词典
noun
- 边界；界限；分界线
a real or imagined line that marks the limits or edges of sth and separates it from other things or places; a dividing line- national boundaries
国界 - 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住宅之间的分界。 - 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
认可的和不被认可的行为之间的界限
- national boundaries
- 使球越过边界线的击球（得加分）
a hit of the ball that crosses the boundary of the playing area and scores extra points
柯林斯词典
- N-COUNT （土地的）分界线，边界
Theboundary ofan area of land is an imaginary line that separates it from other areas.- ...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.
贩毒分子进行跨国贩毒活动。
- ...the Bow Brook which forms the western boundary of the wood...
- N-COUNT （学科或活动的）界限，边界
Theboundaries ofsomething such as a subject or activity are the limits that people think that it has.- 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
- The boundaries between history and storytelling are always being blurred and muddled.
英英释义
noun
- the greatest possible degree of something
- what he did was beyond the bounds of acceptable behavior
- to the limit of his ability
- the line or plane indicating the limit or extent of something
- a line determining the limits of an area
双语例句
- The initial boundary value problem of fourth order wave equation with dispersive and dissipative terms is studied.
研究具色散和耗散项的四阶波动方程的初边值问题。 - From here the boundary turns southwestward.
边界由此折向西南。 - The boundary between Shanxi and Shaanxi is the Huanghe River.
山西和陕西以黄河为界。 - Alternatively, one may utilize the wave equation and appropriate boundary conditions to yield a specific solution.
另外，我们也可以利用波动方程和适当的边界条件以得出一个特解。 - Just before the town boundary fork left onto a minor road.
快到城镇边界时要走岔路的左边一条小路。 - The high-order boundary conditions for the problems of Laplace equation in infinite region hare been developed.
对无限域Laplace方程问题，推导出了高阶边界条件。 - We investigate the characteristic boundary value problems for first and second order complex hyperbolic equations.
讨论了一阶和二阶双曲复方程的特征边值问题。 - The two neighbouring countries have at last reached an accommodation on their boundary problem.
那两个毗邻国家终于就边界问题达成了和解。 - A river forms the boundary between the two countries.
一条河流成了两国的分界线。 - Airplanes drag along a very thin shield of motionless air known as a boundary layer.
飞机曳着一层很薄的紧贴机面不动的空气一道向前运动，这层空气叫做附面层。