短语词组短語base boom defence vessel 基地佈網船boom defence vessel 佈柵艦船;佈柵欄防禦船佈柵船;佈柵欄防禦船boom defence detail 欄柵防禦boom defence officer 柵欄防禦員HisHer Majesty 's Boom Defence Vessel 英國防禦戰艦defence boom 防禦攔障 返回 boom defence