英 [ˈbaʊndri] 美 [ˈbaʊndri]
n. 分界线，边界；界限，范围；（板球）击球超过边界线得分
[ 复数 boundaries ][1]
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）[1]
1The Bow Brook forms the western boundary of the wood.鲍溪成了树林的西边界。《柯林斯英汉双解大词典》
2How can volcanic activity occur so far from a plate boundary?火山活动是如何在离板块边界那么远的地方发生的呢？
3The driveway or the fence between you is not really a cold shoulder but a clear boundary.横在你们之间的车道或栅栏并不真的就是一道冷漠的屏障；它们只不过是一条清晰的分界线。
4The boundary of an area of land is a line in people's imagination that separates it from other areas.一块土地的边界是人们想象中的一条与其他地区分开的线。
5Boundary clay layers are used by scientists to determine the rate at which an extinct species declined.边界粘土层被科学家用来确定一个灭绝物种衰落的速度。
6The water table is the underground boundary below which all the cracks and pores are filled with water.地下水位是地层岩石裂缝和孔隙充满水的边界。
7Angry feelings warn us that someone is stepping on our toes, crossing a boundary, or violating our trust.愤怒的感觉提醒了我们：有人得罪了我们、越过边界，或辜负了我们的信任。
8The Reindeer and the young hind leaped along beside them, and accompanied them to the boundary of the country.驯鹿和小母鹿在他们身边蹦蹦跳跳地走着，陪着他们走到国土的边界。
9Other reliable evidence suggests that the deposition of the boundary clay could not have taken one million years.其他可靠的证据表明，边界粘土的沉积不可能需要100万年。
10This change in plankton found in marine deposits is what marks the boundary between the Cretaceous and the Tertiary.海洋沉积物中浮游生物的这种变化标志着白垩纪和第三纪的分界线。
11The submersible Alvin investigates the Cayman Trough, a transform boundary on the floor of the western Caribbean Sea.阿尔文潜水器研究开曼群岛海槽，这是西部加勒比海底面上的转换边界。
12Cricket keeps an off-field umpire for boundary calls, and to ascertain whether batsmen are run out and if catches are real.板球有一个场外的裁判来判定边界，并确定击球手是否出局，接球是否真实。
13Soon you'll see a winding pathway going up towards the northern boundary of the park, go up there and you'll find it at the top.很快你就会看到一条蜿蜒的小路，通往公园北边，走上去你会发现它就在山顶。
14They had found, accidentally, that a rare metal, iridium, suddenly became very abundant exactly at the boundary and then slowly fell away.他们偶然发现一种稀有金属铱的含量在边界处突然变得很丰富，然后又慢慢地消失了。
15These systems are right on the boundary between stable, orderly behavior and the unpredictable world of chaos, as exemplified by turbulence.这些系统正好处于稳定、有序行为和不可预测的混沌世界（如乱流）之间的边界上。
16Compared 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。《新英汉大辞典》
17The plumes apparently originate at great depths, perhaps as deep as the boundary between the core and the mantle, and many have been active for a very long time.这些地幔柱显然起源于很深的地方，可能深至地核和地幔之间的边界，而且许多都已经活跃了很长时间。
18The region is extremely unusual geologically, Royden says, because of the very steep slopes at the boundary between the Sichuan Basin to the east and the Tobetan plateau to the west.罗伊登说，这个地区在地质上极其不寻常，因为在东部的四川盆地和西部的托比坦高原之间的边界上有非常陡峭的斜坡。
19We crossed the county boundary into Devon.我们越过郡界进入了德文。《牛津词典》
20The 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。《牛津词典》
21The 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。《牛津词典》
22The duke perambulated the boundary of his estate.公爵巡视他的庄园地界。
23If you hit it really hard and a long way, it goes over the boundary.如果你真的击得很重，打得很远，它就会过界。
24Encountering real animals reminds us of the boundary between imagination and reality.遇到真实的动物才会让我们想到想象与现实是有界限的。
25As game becomes an increasingly important means in teaching, the boundary between study and playing has already been blurred.随着游戏成为教学中越来越重要的手段，学习和游戏之间的界限早已模糊了。
26The county boroughs also had many boundary extensions.县行政区也有许多边界延伸。
27So, let's talk about boundary tests.所以，让我们谈一下边界测试。
28See this tutorial on boundary matching.请参阅本教程，了解有关边界匹配问题。[1]