border
名词 border:
a line that indicates a boundary
同义词:boundary line, borderline, delimitation, mete
the boundary line or the area immediately inside the boundary
the boundary of a surface
同义词:edge
a decorative recessed or relieved surface on an edge
a strip forming the outer edge of something
动词 border:
extend on all sides of simultaneously; encircle
form the boundary of; be contiguous to
同义词:bound
enclose in or as if in a frame
provide with a border or edge
同义词:edge
lie adjacent to another or share a boundary