1N-COUNT （防止汽车驶入私人领地或进入某段公路的）水泥隔离柱，短柱，护柱Bollards are short thick concrete posts that are used to prevent cars from going on to someone's land or on to part of a road. （防止汽车驶入私人领地或进入某段公路的）水泥隔离柱，短柱，护柱 [British]
2N-COUNT （河岸或港口的）系船柱，系缆桩Bollards are strong wooden or metal posts on the side of a river or harbour. Boats are tied to them. （河岸或港口的）系船柱，系缆桩