traffic island
(also island, refuge, safety island, US safety zone) raised area in the middle of a road dividingtwo streams of traffic, esp for use by pedestrians when crossing the road 交通岛, 安全岛(道路中间分隔两股车辆的平台, 尤为行人过路用的).
The captain knew that another attempt would be made later, for the sunken ship he was trying to find had been carrying a precious cargo of gold bullion.