相关单词同义词formula, strengthening, reinforcement, 近义词 defense 防卫, moat 壕沟, blockade 【C】封锁, tower 塔, embankment 堤防, barrier 栅栏, security 安全, wall 墙壁, fort 堡垒, barricade 【C】路障, stronghold 要塞, refreshment 恢复, inspiration 灵感, buttresses 桥墩, protection 保护, defence 防御, reinforcement 增强, building up 装配(安装, munition 军火的临近词fort, Fortina相似词forthright, forthwith, forties, fortieth, fortified wine, fortify, fortis, fortitude, 返回 fortification