A condition of the foot resembling frostbite, caused by prolonged exposure to cold and dampness and often affecting soldiers in trenches.战壕足:一种多发生于脚上的类似冻疮的病症,由长期受冷和受潮引起,战壕中的士兵经常出现这种情况
Etymology语源
[From its occurrence among soldiers in trenches] [源于这种症状发生在战壕中的士兵身上]