n.堡垒，要塞；边界贸易站；v.设要塞保卫； 变形： 复数：forts 双语释义：n.(名词)[C]堡垒,城堡 a strongly made building used for defences at some important place英英释义： fort[ fɔ:t ]n.a fortified military post where troops are stationed同义词：garrisona fortified defensive structure同义词：fortressv.gath