bollard
bollard[ˈbɒlɑːd, -ləd]noun- (Brit.)a short post used to prevent traffic from entering an area or using part of a road
(英)(行人安全岛的)护柱
- a short, thick post on the deck of a ship or a quayside, to which a ship's rope may be secured
(码头或船上的)系缆桩,系船柱
语源- Middle English (in sense 2): perhaps from Old Norse bolr (see bole) + -ard
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