stepladder的翻译，读音

词态

例句

Take the time to get a stepladder or stepstool. 去找一个梯子或登高工具。

He also made the first pair of bifocal glasses and invented a musical instrument called the glass harmonica and the stepladder chair. 他还制造了世界上第一副双光眼镜，发明了一种乐器一一玻璃琴和活动梯凳。

Don't use makeshift scaffolds such as a chair balanced on a desk when you are reaching for something overhead. Take the time to get a stepladder or stepstool. 不要用诸如将凳子放在桌子上等凑和的脚手架来拿高处的东西。