boundary

US /ˈbaʊn.dər.i/
UK /ˈbaʊn.dər.i/
"boundary" picture
1.

边界, 界线

a line that marks the limits of an area; a dividing line

:
The river forms the natural boundary between the two countries.
这条河构成了两国之间的自然边界
They set up a fence to mark the property boundary.
他们设置了围栏来标记财产边界
2.

界限, 限度

a limit of what is acceptable or allowed

:
It's important to set clear boundaries in any relationship.
在任何关系中,设定明确的界限都很重要。
He pushed the boundaries of what was considered art.
他突破了艺术的界限