redoubts
n．（复数）独立堡垒：一个独立的、小型的防御性建筑，通常用于保护一个更大的要塞或防线。
例句
Aerospace is one of the last redoubts of economic nationalism.
航空业是经济民族主义的最后堡垒。
He had sent men out in front of the camp to construct yet more redoubts.
他派人到阵前修筑了更多的角面堡。
It would have provided her professional detractors with a few less redoubts for attack.
这样就会向那些专门诋毁她的人少提供一些攻击她的口实。
