boundarynoun
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
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
These are all words for a line that marks the edge of sth and separates it from other areas or things.以上各词均指边界、分界线。
the line that separates two countries or areas; the land near this line指国界、边界、边疆、边界地区：
a national park on the border between Kenya and Tanzania
位于肯尼亚和坦桑尼亚边界的国家公园
a line that marks the edges of an area of land and separates it from other areas指边界、界限、分界线：
The fence marked the boundary between my property and hers.
那道篱笆曾是我和她的房产之间的地界。
an imaginary boundary between one area of land and another; a line on a map that shows this指假想的或地图上标示的两地间的分界线、边界线：
lines of longitude and latitude
经线和纬线
( BrE ) the line that separates two countries or areas; the land near this line指国界、边界、边疆、边境：
The river formed the frontier between the land of the Saxons and that of the Danes.
这条河曾是撒克逊人与古斯堪的纳维亚人土地的分界线。
The point where you cross from one country to another is usually called the border . In British English it can also be called the frontier , but this is often in a context of wildness, danger and uncertainty. |
The line on a map that shows the border of a country can be called the boundary but ‘boundary’ is not used when you cross from one country to another. |
Boundary is used for the borders between counties in Britain, both on the map and on the ground. |
States and counties in the US are separated by lines but ‘line’ is not used for national borders. |
Boundary can also be a physical line between two places, for example between property belonging to two different people, marked by a fence or wall. |
boundary
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1
N-COUNT （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....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
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2
N-COUNT （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.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。
noun
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1
- the greatest possible degree of something
- what he did was beyond the bounds of acceptable behavior
- to the limit of his ability
- Synonym: limit bound
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2
- the line or plane indicating the limit or extent of something
- Synonym: bound bounds
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3
- a line determining the limits of an area
- Synonym: edge bound
数据来源：WordNet
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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。
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Compared with the long-standing friendship between the two countries , their boundary dispute is only an issue of a temporary and limited nature .
两国之间的边界争论，比起两国的悠久友谊来说，是一个暂时性和局部性的问题。
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Scientists continue to push back the boundaries of human knowledge .
科学家不断扩大人类知识的范围。
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The fence marked the boundary between my property and hers .
那道篱笆曾是我和她的房产之间的地界。
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Country boundaries are shown on this map as dotted lines .
这张地图上国界以虚线标出。
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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。
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He tends to overstep the boundaries of good taste .
他往往文雅过度而流于庸俗。
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The two countries are in dispute over the boundaries of their coastal waters
两国在近海水域分界线上尚存分歧。
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Troops have agreed to stay within specific boundaries to avoid confrontations
军队同意驻扎在特定地界内，以避免冲突。
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They have redrawn the country 's boundaries along ethnic lines
他们已经按照民族界线重新划定了国家的边界。
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Neighbours approached their boundaries from opposite sides and made merry together .
邻居们从对面来到他们这边，一起尽情欢乐。
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They marked out the boundaries of our visual universe
他们标出了我们视觉经验领域的界限。
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Parents fear they might overstep these invisible boundaries
父母担心他们可能会逾越这些无形的界限。
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It seemed to me that he had transgressed the boundaries of good taste .
在我看来他有伤大雅。
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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。
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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。
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They marked the boundaries of the basketball court .
他们标出了篮球场的边界。
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A river forms the boundary between the two countries .
一条河流成了两国的分界线。
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The boundary between Shanxi and Shaanxi is the Huanghe River .
山西和陕西以黄河为界。
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The Jinggang Mountains stand where the boundaries of four counties meet .
井冈山位于四县之交。
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Is there anything that is beyond the boundary of human knowledge ?
有什么东西是超出人类知识范围的？
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The two counties have the canal as their common boundary .
两县以运河分界。
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The representatives of the two countries negotiated the boundary question for several weeks .
两国代表就边界问题谈判了几个星期。
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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。
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The boundaries are clearly marked off on the map .
界线在地图上区分得很清楚。
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Our first example of confining waves will be to confine a wave at one boundary .
约束波的第一例子是使波动在一个界面上受到限制。
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In order to minimize the boundary layer effects , the nozzles were made as short as possible .
为了减少附面层效应，喷嘴做得尽可能地短些。
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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。
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Three values of nonparallel boundary stress components can be derived from considerations of equilibrium of the plate .
非平行的边界的应力分量的三个值可以从板的平衡考虑来导得。
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As in the particle in a box , it is the boundary conditions that force us to quantize the energy .
像在箱中粒子那样，边界条件迫使我们使能量量子化。
多指靠近两国或两地区分界线的区域。
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。
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。
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。
指两国接壤的前沿地区，多有军队驻防。
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。
- 词语搭配