borders

n.

a line that indicates a boundary

同义词：boundary lineborderlinedelimitationmete

the boundary line or the area immediately inside the boundary

同义词：marginperimeter

the boundary of a surface

同义词：edge

a decorative recessed or relieved surface on an edge

同义词：moldingmoulding

a strip forming the outer edge of something

"the rug had a wide blue border"

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