英和和英

to delineate a boundary

a narrow boundary

form the boundary of

to demarcate the boundary

broadness of range

within the limits―within the boundary

to cross over a border

a boundary post

an indefinable boundary

stake off boundary

confine in a cage

the boundary of a specific area

draw a boundary

boundary between objects (boundary line)

a boundary line

mark off a boundary

to make a boundary （between two estates）

within [out of] borders

Stretch the limits

the zonal frontier

to be outside the border of something

the crosswise dimension

a region marking a boundary

the border of a region

border on

a line that indicates a boundary

to mark the boundaries

shade within clear boundaries

along the border

a remote region