bollard

n.[航海]系船柱

一个用于指示车辆和行人通行限制区域的立柱或固定物

名词

1、The bollard at the entrance of the parking lot prevents unauthorized vehicles from entering.
停车场入口处的立柱阻止未经授权的车辆进入。
2、The city installed bollards on the sidewalk to protect pedestrians from traffic.
城市在人行道上安装了立柱，以保护行人免受交通威胁。