ladderlad.dern.梯子, 阶梯vi.袜子抽丝, 装设梯子AHD:[l2d“…r] D.J.[6l#d*]K.K.[6l#d+]n.（名词）An often portable structure consisting of two long sides crossed by parallel rungs, used to climb up and down.梯子：一种通常是可移动的结构物，由长长的两边和两边平行的梯级连接组成，用于爬上爬下Something that resembles this device, especially a run in a stocking.抽丝：一些与这种装置相似的东西，尤指长筒袜的抽丝A means of ascent and descent:上或下的方式：ascending the social ladder.登上社会的阶梯A series of ranked stages or levels:一系列等级或水平：high on the executive ladder.处于行政的最高层v.intr.（不及物动词）lad.dered， lad.der.ing， lad.dersTo run, as a stocking does.象长筒袜一样抽丝
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