ladder

n.梯子; (事业上或机构中晋升的)阶梯，途径; (紧身裤袜或长筒袜的)滑丝，抽丝v.(使紧身裤袜或长筒袜)出现滑丝，抽丝 复数：ladders过去分词：laddered过去式：laddered现在分词：laddering第三人称单数：ladders 牛津词典 noun 梯子a piece of equipment for climbing up and down a wall, the...