疆界的英文：
border
boundary

参考例句：
  • Borders between nations, between carriers, borders between products and between people and ideas are being dissolved.
    国与国之间的疆界,运输公司之间的壁垒,产品之间的界限人员和思想之间的隔绝,都在消失之中。
  • The boundary is not clearly defined.
    这疆界没有明确划定。
border是什么意思：
n. 边界，国界；镶边
v. 与…接壤；为…镶边
  • It has no border or caption.
    它没有边框和标题。
  • There is a border of flowers round the lawn.
    草坪的四周有狭长的花坛围绕。
  • There was a flower border beneath the wall.
    墙脚处有一花坛。
  • a chaste border of conventionalized flowers.
    一种界线简单的格式化语言。
  • This trail was roughly parallel to the border.
    这条小路与边境线大致平行。
boundary是什么意思：
n. 边界；范围；分界线
  • Boundary is used with administrative areas smaller than a state or country boundary
    用于指行政区域,范围比国家小
  • An exact artificial boundary condition is obtained on a spherical boundary by a constructive method.
    同样，采用构造法在球面上获得了精确的无反射人工边界条件。
  • There are no indecisive boundaries between the two opinions.
    这两种意见界线分明。
  • The boundaries are clearly marked off on the map.
    界线清清楚楚地在地图上标了出来。
  • Boundaries of the polygon may extend to infinity.
    多角形的边界可以延伸到无穷远处。

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