borderland

n 1 [C] district on either side of a border or boundary 边疆. 2 [sing] (fig 比喻) intermediate state or condition 中间状态或情况: the borderland between sleeping and waking 睡与醒之间的状态; 半睡半醒.

boot, bootee, booth, bootlace, bootleg, bootlegger, bootless, bootstrap, booty, booze, booze-up, boozer, boozy, boracic, borage, borax, Bordeaux, border, border on, borderer, borderline, bore, boredom, boric, boring, born, born of, born-again, borne, boron, borough, borrow, borrower, borrowing, borrowings, Borstal, bortsch (also borsch), borzoi, bos'n, bosh,