相关单词近義詞 defense 防衛, safeguard 保衛者, protection 保護, jetty 碼頭, dike 堤垻, entrenchment 掘壕溝, security 安全, rampart 壘, wall 牆壁, fortification 防禦工事（尤指堡壘、要塞..., embankment 堤防, earthwork 土方工程, barricade 【C】路障, defence 防禦, buttress 扶牆, buffer 緩沖, barrier 柵欄, breakwater 防波堤, seawall 海塘, groin 腹股溝, mole 痣, groyne 防波堤臨近詞bum, bully, bulwark stay, bulwark rail, bulwark netting, bulwark plating, bulwark molding, bulwark stanchion, bulwark mooring pipe, bulwark against communism 返回 bulwarking