boundary

柯林斯词典

1. N-COUNT The boundary of an area of land is an imaginary line that separates it from other areas. 边界
The Bow Brook forms the western boundary of the wood. 鲍溪成了树林的西边界。
2. N-COUNT The boundaries of something such as a subject or activity are the limits that people think that it has. 界限
The boundaries between history and storytelling are always being blurred and muddled. 历史与故事的界限一直模糊不清。

The boundary of the car park is delineated by a low brick wall .
This film blurs the boundary between reality and fantasy .
They've been feuding with their neighbours for years over a boundary issue .
A disagreement about boundaries is at the heart of the dispute .
The bad language in that play overstepped the boundaries of what ought to be allowed on television .