stepladder 的英语意思
stepladderstepladder /ˈstepˌlædə $ -ər/ noun [countable] 
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a ladder which has two sloping parts that are joined at the top so that it can stand without support, and which can be folded flat一种两侧斜腿在顶部相连、无需依靠支撑即可独立站立、并可折叠收平的梯子
查看全部语言翻译 a ladder which has two sloping parts that are joined at the top so that it can stand without support, and which can be folded flat一种两侧斜腿在顶部相连、无需依靠支撑即可独立站立、并可折叠收平的梯子