stair [stZE]n.楼梯While climbing up the stairs the old man always loses his breath.那老人上楼时总是气喘吁吁的。(楼梯的)一级He slipped on the stairs and put his ankle out.他在楼梯上滑了一跤, 踝关节脱臼了。
ladder常见释义梯子英: [ˈlædə(r)]美: [ˈlædɚ]n.梯子,阶梯; 梯状物; 途径; (紧身裤袜或长筒袜的)滑丝;vi.使(袜子)发生抽丝现象; 像长筒袜一样抽丝;例句:She admired her mother's sister for moving up the social ladder.她羡慕姨妈社会地位的提升。复数:ladders