邊界; 界限 BDY
Bound·a·ry n.; pl. Boundaries That which indicates or fixes a limit or extent, or marks a bound, as of a territory; a bounding or separating line; a real or imaginary limit.
But still his native country lies
Beyond the boundaries of the skies. --N. Cotton.
That bright and tranquil stream, the boundary of Louth and Meath. --Macaulay.
Sensation and reflection are the boundaries of our thoughts. --Locke.
Syn: -- Limit; bound; border; term; termination; barrier; verge; confines; precinct.
Usage: Bound, Boundary. Boundary, in its original and strictest sense, is a visible object or mark indicating a limit. Bound is the limit itself. But in ordinary usage the two words are made interchangeable.
n 1: the line or plane indicating the limit or extent of
something [syn: bound, bounds]
2: a line determining the limits of an area [syn: edge, bound]
3: the greatest possible degree of something; "what he did was
beyond the bounds of acceptable behavior"; "to the limit
of his ability" [syn: limit, bounds]