a strong post (as on a wharf or quay or ship for attaching mooring lines)
同义词：bitt
bollard详细解释
bol.lard n.Nautical （名词）【航海】 A thick post on a ship or wharf, used for securing ropes and hawsers.系船柱，带缆桩：在船上或码头的粗桩，用于系缆索 来源：Middle English 中古英语 probably from bole [tree trunk] * see bole 可能源自 bole [树干] *参见 bole
