stepladder
🇺🇸
/ˈsteplædər/
🇬🇧
/ˈsteplædə(r)/
A stepladder is a type of ladder that has flat steps and is self-supporting. It can be folded flat for easy storage or transport.
I used a stepladder to reach the top shelf in the library.
我使用一個梯子到達圖書館的頂層書架。