bollard

n 1 short thick post on a quay or ship's deck, to which a ship's mooring ropes are tied （码头或船甲板上的）系缆柱. 2 short post on a kerb or traffic island （路边镶边石或交通安全岛上的）短柱.

bogy (also bogey), bohemian, boil, boiled, boiled sweet, boiler, boiler suit, boiling, boiling hot, boiling-point, boisterous, boisterously, boisterousness, bold, boldly, boldness, bole, bolero, boll, boll-weevil, bollocks, boloney (also baloney), Bolshevik, Bolshevism, Bolshevist, bolshie (also bolshy), bolster, bolt, bolt-hole, bomb, bomb out, bomb-bay, bomb-disposal, bomb-proof, bomb-sight, bomb-site, bombard, bombardier, bombardment, bombast,