(in the First World War) a German fortified line of defence on the Western Front to which Paul von Hindenburg directed retreat and which was not breached until near the end of the war
兴登堡防线（第一次世界大战期间德国在西线所筑的一道加固防线; 保罗·冯·兴登堡指挥退却至该防线, 直到战争快结束时才被攻破）。亦称
SIEGFRIED LINE.