Use approved step stools and ladders.

使用稳固可靠的凳子和梯子。

youdao

The step stools we just finished a few days ago?

这张台阶凳我们几天前才做好的？

youdao

The tops of the foldable step stools have white polka dots and were sold as a set of two, including 9-inch and 15-inch stools.

折叠梯凳的顶部带有白色的圆点，并且是以两个一套售出的，包括9英寸的和15英寸的凳子。

youdao

Next you step up to a platform where you can sit on stools and dine at the counter.

WSJ: Architects' Fussiest Clients