bul·wark /ˈbʊlwək $ -wərk/ noun [countableC] 1 PROTECTsomething that protects you from an unpleasant situation 保障;堡垒;保护物bulwark against a bulwark against dictatorship 反对独裁的堡垒
2. bulwarks [plural]TTW the sides of a boat or ship above the deck 〔船的〕舷墙
3. DEFENDa strong structure like a wall, built for defence 掩体,壁垒,堡垒