n.棱堡；堡垒
These clubs are the last bastions of male privilege. 这些俱乐部是男性特权的最后棱堡。
Pearl Harbor was the principal American bastion in the Pacific. 珍珠港是美国在太平洋地区的主要棱堡。
Their battle line is not solid and is anything but a bastion of iron. 他们的战线不巩固，并不是铜墙铁壁。
adj.具备棱堡的
