Related topics: Daily life
step·lad·der /ˈstepˌlædə $ -ər/ noun [countableC]
Da 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 活(动)梯(子),折梯 →4 See picture of 见图 LADDER 1 →5 see picture at 见图 ladder1